TY  - CONF
AU  - Đošić, Marija
AU  - Nikolić, Jelena
AU  - Stojanović, Jovica
AU  - Vuković, Nikola
AU  - Marković, Marija
AU  - Savić, Veljko
AU  - Topalović, Vladimir
PY  - 2024
UR  - https://ritnms.itnms.ac.rs/handle/123456789/1241
AB  - INTRODUCTION: Owing to its similarity to the inorganic part of the natural bone, excellent bioactivity, biocompatibility,
and ability to stimulate the osteoconductive process, synthetic hydroxyapatite (HAP) is very often the material of
choice for biomedical applications. Diverse ions can be found as substitutes within natural bone structures, each playing
a distinct and crucial role in the physiological processes governing the lifecycle of bones [1]. Among them, strontium ion
has a very important role for the acceleration of osteogenesis and the inhibition of osteoclasts activity [2]. Current
research aims to provide physico-chemical characterization of synthesized HAP and strontium substituted HAP (Sr-HAP)
powders obtained by varying strontium concentration (10, 20 and 40 mol.%) in the starting solutions.
EXPERIMENTAL: HAP powder was synthesized by wet chemical precipitation, using aqueous solutions of Ca(NO3)2
4H2O (Merck, p.a.) and (NH4)2HPO4 (Sigma-Aldrich, ≥99 %). By adding NH4OH (CENTROHEM, p.a.), pH value was adjusted
to 10. The obtained precipitate was heated up to 90 °C. The same procedure was followed for Sr-HAP powder syntheses,
by adding Sr(NO3)2 (Sigma-Aldrich ≥99.0 %) and maintaining the (Ca + Sr)/P ratio at 1.67 in the mixed Ca2+/Sr2+ solution.
Synthesized powders were characterised by FTIR spectroscopy (Nicolet IS-10, Thermo Fisher Scientific), XRD analysis
(Philips PW 1710, Philips, The Netherlands), TG analysis (Netzsch STA 449 F5 Jupiter instrument), and FE-SEM analysis
(JSM-7001F, JEOL Ltd, Japan).
RESULTS AND DISCUSSION: FTIR spectra revealed the presence of carbonate-substituted hydroxyapatite in both pure
and Sr-substituted HAP powders. The powders showed a granular, homogeneous morphology without the Sr separation.
XRD analysis revealed that the amount of incorporated Sr in the HAP structure increased with increased Sr concentration
in the starting solutions. Thermal stability of the Sr-HAP powders decreased with increased Sr concentration.
CONCLUSIONS: Physico-chemical characteristics of Sr-HAP powders are directly dependent on Sr ion concentration
in powders.
PB  - Beograd : Savez hemijskih inženjera Srbije
C3  - ExcellMater Conference 2024 - Innovative Biomaterials for Novel Medical Devices
T1  - Characterisation of strontium-substituted hydroxyapatite as potential biomedical material
EP  - 40
IS  - 1s
SP  - 40
VL  - 78
ER  - 

@conference{
author = "Đošić, Marija and Nikolić, Jelena and Stojanović, Jovica and Vuković, Nikola and Marković, Marija and Savić, Veljko and Topalović, Vladimir",
year = "2024",
abstract = "INTRODUCTION: Owing to its similarity to the inorganic part of the natural bone, excellent bioactivity, biocompatibility,
and ability to stimulate the osteoconductive process, synthetic hydroxyapatite (HAP) is very often the material of
choice for biomedical applications. Diverse ions can be found as substitutes within natural bone structures, each playing
a distinct and crucial role in the physiological processes governing the lifecycle of bones [1]. Among them, strontium ion
has a very important role for the acceleration of osteogenesis and the inhibition of osteoclasts activity [2]. Current
research aims to provide physico-chemical characterization of synthesized HAP and strontium substituted HAP (Sr-HAP)
powders obtained by varying strontium concentration (10, 20 and 40 mol.%) in the starting solutions.
EXPERIMENTAL: HAP powder was synthesized by wet chemical precipitation, using aqueous solutions of Ca(NO3)2
4H2O (Merck, p.a.) and (NH4)2HPO4 (Sigma-Aldrich, ≥99 %). By adding NH4OH (CENTROHEM, p.a.), pH value was adjusted
to 10. The obtained precipitate was heated up to 90 °C. The same procedure was followed for Sr-HAP powder syntheses,
by adding Sr(NO3)2 (Sigma-Aldrich ≥99.0 %) and maintaining the (Ca + Sr)/P ratio at 1.67 in the mixed Ca2+/Sr2+ solution.
Synthesized powders were characterised by FTIR spectroscopy (Nicolet IS-10, Thermo Fisher Scientific), XRD analysis
(Philips PW 1710, Philips, The Netherlands), TG analysis (Netzsch STA 449 F5 Jupiter instrument), and FE-SEM analysis
(JSM-7001F, JEOL Ltd, Japan).
RESULTS AND DISCUSSION: FTIR spectra revealed the presence of carbonate-substituted hydroxyapatite in both pure
and Sr-substituted HAP powders. The powders showed a granular, homogeneous morphology without the Sr separation.
XRD analysis revealed that the amount of incorporated Sr in the HAP structure increased with increased Sr concentration
in the starting solutions. Thermal stability of the Sr-HAP powders decreased with increased Sr concentration.
CONCLUSIONS: Physico-chemical characteristics of Sr-HAP powders are directly dependent on Sr ion concentration
in powders.",
publisher = "Beograd : Savez hemijskih inženjera Srbije",
journal = "ExcellMater Conference 2024 - Innovative Biomaterials for Novel Medical Devices",
title = "Characterisation of strontium-substituted hydroxyapatite as potential biomedical material",
pages = "40-40",
number = "1s",
volume = "78"
}

Đošić, M., Nikolić, J., Stojanović, J., Vuković, N., Marković, M., Savić, V.,& Topalović, V.. (2024). Characterisation of strontium-substituted hydroxyapatite as potential biomedical material. in ExcellMater Conference 2024 - Innovative Biomaterials for Novel Medical Devices
Beograd : Savez hemijskih inženjera Srbije., 78(1s), 40-40.

Đošić M, Nikolić J, Stojanović J, Vuković N, Marković M, Savić V, Topalović V. Characterisation of strontium-substituted hydroxyapatite as potential biomedical material. in ExcellMater Conference 2024 - Innovative Biomaterials for Novel Medical Devices. 2024;78(1s):40-40..

Đošić, Marija, Nikolić, Jelena, Stojanović, Jovica, Vuković, Nikola, Marković, Marija, Savić, Veljko, Topalović, Vladimir, "Characterisation of strontium-substituted hydroxyapatite as potential biomedical material" in ExcellMater Conference 2024 - Innovative Biomaterials for Novel Medical Devices, 78, no. 1s (2024):40-40.

TY  - JOUR
AU  - Savić, Veljko
AU  - Dojčinović, Marina
AU  - Topalović, Vladimir
AU  - Cvijović-Alagić, Ivana
AU  - Stojanović, Jovica
AU  - Matijašević, Srđan
AU  - Grujić, Snežana
PY  - 2024
UR  - https://ritnms.itnms.ac.rs/handle/123456789/1233
AB  - The incombustible portion of coal that remains after burning is known as bottom or fly ash, and it has a detrimental influence on the environment. One of the possible alternatives for reducing the amount of ash deposited in landfills might be the production of useful glass-ceramic from vitrified fly ash. Glass-ceramic was synthesized using fly ash from the thermal power plant "Nikola Tesla" and fluxing additives. Sinter-crystallization of the parent glass resulted in glass ceramics. The glass was created by melting a combination of coal fly ash (CFA), Na2CO3, and CaCO3 at T= 1500 °C and quenching the melt in the air. Glass powders were sintered at temperatures 850 and 900 °C. The resulting glass-ceramics were characterized microstructurally, physically, and mechanically. The cavitation erosion of samples was evaluated. The cavitation rate was 0.015 mg/min for the sample sintered at 850 °C, and 0.0053 mg/min for the sample sintered at 900 °C. The leaching of heavy metals in glass-ceramic samples was determined using the Toxicity Characteristic Leaching Procedure. A low concentration of heavy metals in the leaching solution showed that heavy metals were successfully incorporated in the glass matrix and that obtained glass-ceramics are ecologically safe for usage. Both samples exhibit good resistance to cavitation erosion, suggesting their potential as possible replacements for structural ceramics commonly employed components of hydraulic machinery.
PB  - Springer Nature
T2  - International Journal of Environmental Science and Technology
T1  - The effect of sintering temperature on cavitation erosion in glass-ceramics based on coal fly ash
EP  - 6074
IS  - 7
SP  - 6065
VL  - 21
DO  - 10.1007/s13762-023-05411-9
ER  - 

@article{
author = "Savić, Veljko and Dojčinović, Marina and Topalović, Vladimir and Cvijović-Alagić, Ivana and Stojanović, Jovica and Matijašević, Srđan and Grujić, Snežana",
year = "2024",
abstract = "The incombustible portion of coal that remains after burning is known as bottom or fly ash, and it has a detrimental influence on the environment. One of the possible alternatives for reducing the amount of ash deposited in landfills might be the production of useful glass-ceramic from vitrified fly ash. Glass-ceramic was synthesized using fly ash from the thermal power plant "Nikola Tesla" and fluxing additives. Sinter-crystallization of the parent glass resulted in glass ceramics. The glass was created by melting a combination of coal fly ash (CFA), Na2CO3, and CaCO3 at T= 1500 °C and quenching the melt in the air. Glass powders were sintered at temperatures 850 and 900 °C. The resulting glass-ceramics were characterized microstructurally, physically, and mechanically. The cavitation erosion of samples was evaluated. The cavitation rate was 0.015 mg/min for the sample sintered at 850 °C, and 0.0053 mg/min for the sample sintered at 900 °C. The leaching of heavy metals in glass-ceramic samples was determined using the Toxicity Characteristic Leaching Procedure. A low concentration of heavy metals in the leaching solution showed that heavy metals were successfully incorporated in the glass matrix and that obtained glass-ceramics are ecologically safe for usage. Both samples exhibit good resistance to cavitation erosion, suggesting their potential as possible replacements for structural ceramics commonly employed components of hydraulic machinery.",
publisher = "Springer Nature",
journal = "International Journal of Environmental Science and Technology",
title = "The effect of sintering temperature on cavitation erosion in glass-ceramics based on coal fly ash",
pages = "6074-6065",
number = "7",
volume = "21",
doi = "10.1007/s13762-023-05411-9"
}

Savić, V., Dojčinović, M., Topalović, V., Cvijović-Alagić, I., Stojanović, J., Matijašević, S.,& Grujić, S.. (2024). The effect of sintering temperature on cavitation erosion in glass-ceramics based on coal fly ash. in International Journal of Environmental Science and Technology
Springer Nature., 21(7), 6065-6074.
https://doi.org/10.1007/s13762-023-05411-9

Savić V, Dojčinović M, Topalović V, Cvijović-Alagić I, Stojanović J, Matijašević S, Grujić S. The effect of sintering temperature on cavitation erosion in glass-ceramics based on coal fly ash. in International Journal of Environmental Science and Technology. 2024;21(7):6065-6074.
doi:10.1007/s13762-023-05411-9 .

Savić, Veljko, Dojčinović, Marina, Topalović, Vladimir, Cvijović-Alagić, Ivana, Stojanović, Jovica, Matijašević, Srđan, Grujić, Snežana, "The effect of sintering temperature on cavitation erosion in glass-ceramics based on coal fly ash" in International Journal of Environmental Science and Technology, 21, no. 7 (2024):6065-6074,
https://doi.org/10.1007/s13762-023-05411-9 . .

TY  - CONF
AU  - Matijašević, Srđan
AU  - Grujić, Snežana
AU  - Topalović, Vladimir
AU  - Stojanović, Jovica
AU  - Nikolić, Jelena
AU  - Savić, Veljko
AU  - Zildžović, Snežana
PY  - 2023
UR  - https://ritnms.itnms.ac.rs/handle/123456789/671
AB  - This paper presents the effect of K2O content on phase composition of the nanocrystallized niobium germanate glasses. It was shown that the exothermal peak temperature, Tp, shifted toward the higher temperatures with increasing content of K2O. Such increase of K2O content causes a decrease of GeO2 content in the primary phases. The crystals below 100 nm were detected in the samples.
PB  - University of Belgrade, Technical Faculty in Bor
C3  - XV International Mineral Processing and Recycling Conference-IMPRC 2023
T1  - Nanocrystallization of potassium niobium germanate glasses
EP  - 337
SP  - 333
ER  - 

@conference{
author = "Matijašević, Srđan and Grujić, Snežana and Topalović, Vladimir and Stojanović, Jovica and Nikolić, Jelena and Savić, Veljko and Zildžović, Snežana",
year = "2023",
abstract = "This paper presents the effect of K2O content on phase composition of the nanocrystallized niobium germanate glasses. It was shown that the exothermal peak temperature, Tp, shifted toward the higher temperatures with increasing content of K2O. Such increase of K2O content causes a decrease of GeO2 content in the primary phases. The crystals below 100 nm were detected in the samples.",
publisher = "University of Belgrade, Technical Faculty in Bor",
journal = "XV International Mineral Processing and Recycling Conference-IMPRC 2023",
title = "Nanocrystallization of potassium niobium germanate glasses",
pages = "337-333"
}

Matijašević, S., Grujić, S., Topalović, V., Stojanović, J., Nikolić, J., Savić, V.,& Zildžović, S.. (2023). Nanocrystallization of potassium niobium germanate glasses. in XV International Mineral Processing and Recycling Conference-IMPRC 2023
University of Belgrade, Technical Faculty in Bor., 333-337.

Matijašević S, Grujić S, Topalović V, Stojanović J, Nikolić J, Savić V, Zildžović S. Nanocrystallization of potassium niobium germanate glasses. in XV International Mineral Processing and Recycling Conference-IMPRC 2023. 2023;:333-337..

Matijašević, Srđan, Grujić, Snežana, Topalović, Vladimir, Stojanović, Jovica, Nikolić, Jelena, Savić, Veljko, Zildžović, Snežana, "Nanocrystallization of potassium niobium germanate glasses" in XV International Mineral Processing and Recycling Conference-IMPRC 2023 (2023):333-337.

TY  - CONF
AU  - Topalović, Vladimir
AU  - Matijašević, Srđan
AU  - Savić, Veljko
AU  - Nikolić, Jelena
AU  - Stojanović, Jovica
AU  - Zildžović, Snežana
AU  - Grujić, Snežana
PY  - 2023
UR  - https://ritnms.itnms.ac.rs/handle/123456789/685
AB  - The essence of this paper is to present the effect of adding TiO2 and SrO to the crystallization characteristics of polyphosphate glasses. The crystallization of glasses has been studied by using DTA, HSM and XRD methods. Sintered phosphate glass-ceramics containing bioactive β-CaP2O6 and β-Ca3(PO4)2 phases were successfully prepared. The increasing presence of Sr (1-5 %), as well as Ti at the expense of phosphate mole fraction in polyphosphate bioactive glass increases the density of these glasses, transformation temperature and resistance to crystallization.
PB  - Bor : University of Belgrade, Technical Faculty in Bor
C3  - 30th International Conference Ecological Truth & Environmental Research – EcoTER’23
T1  - Crystallization characteristics of bioactive polyphosphate glasses
EP  - 604
SP  - 599
ER  - 

@conference{
author = "Topalović, Vladimir and Matijašević, Srđan and Savić, Veljko and Nikolić, Jelena and Stojanović, Jovica and Zildžović, Snežana and Grujić, Snežana",
year = "2023",
abstract = "The essence of this paper is to present the effect of adding TiO2 and SrO to the crystallization characteristics of polyphosphate glasses. The crystallization of glasses has been studied by using DTA, HSM and XRD methods. Sintered phosphate glass-ceramics containing bioactive β-CaP2O6 and β-Ca3(PO4)2 phases were successfully prepared. The increasing presence of Sr (1-5 %), as well as Ti at the expense of phosphate mole fraction in polyphosphate bioactive glass increases the density of these glasses, transformation temperature and resistance to crystallization.",
publisher = "Bor : University of Belgrade, Technical Faculty in Bor",
journal = "30th International Conference Ecological Truth & Environmental Research – EcoTER’23",
title = "Crystallization characteristics of bioactive polyphosphate glasses",
pages = "604-599"
}

Topalović, V., Matijašević, S., Savić, V., Nikolić, J., Stojanović, J., Zildžović, S.,& Grujić, S.. (2023). Crystallization characteristics of bioactive polyphosphate glasses. in 30th International Conference Ecological Truth & Environmental Research – EcoTER’23
Bor : University of Belgrade, Technical Faculty in Bor., 599-604.

Topalović V, Matijašević S, Savić V, Nikolić J, Stojanović J, Zildžović S, Grujić S. Crystallization characteristics of bioactive polyphosphate glasses. in 30th International Conference Ecological Truth & Environmental Research – EcoTER’23. 2023;:599-604..

Topalović, Vladimir, Matijašević, Srđan, Savić, Veljko, Nikolić, Jelena, Stojanović, Jovica, Zildžović, Snežana, Grujić, Snežana, "Crystallization characteristics of bioactive polyphosphate glasses" in 30th International Conference Ecological Truth & Environmental Research – EcoTER’23 (2023):599-604.

TY  - CONF
AU  - Topalović, Vladimir
AU  - Matijašević, Srđan
AU  - Nikolić, Jelena
AU  - Savić, Veljko
AU  - Đošić, Marija
AU  - Grujić, sn
PY  - 2023
UR  - https://ritnms.itnms.ac.rs/handle/123456789/786
AB  - Polyphosphate glasses are a class of bioactive glasses that have gained significant attention in recent years due to their unique properties and potential applications in various fields, particularly in the area of biomedical engineering. These glasses exhibit excellent biocompatibility, which is a crucial requirement for biomaterials. Furthermore, their dissolution and degradation rates can be tailored by modifying their composition, allowing for control over their bioactivity and biodegradability. Polyphosphate glasses also have the ability to form a hydroxyapatite-like layer on their surface when in contact with biological fluids, which facilitates their integration with surrounding tissues. The unique properties of polyphosphate glasses make them promising candidates for various biomedical applications, including bone tissue engineering, drug delivery, and wound healing. This paper presents the thermal characterization of two bioactive polyphosphate glass compositions with the addition of strontium, to investigate the sintering and crystallization processes. The samples were synthesized using the melt-quenching method and then sintered at various temperatures. Differential scanning calorimetry (DSC) and X-ray diffraction (XRD) were used to analyze the thermal behavior and crystalline phases formed during sintering. Our results showed that sintering and crystallization are separate processes for both compositions. The addition of strontium to the glass improved its sintering behavior, resulting in a denser glass structure. Moreover, strontium incorporation did not affect the formation of the crystalline phase during sintering. These findings provide useful insights into the design and development of bioactive polyphosphate glass compositions for bone tissue engineering applications.
PB  - Belgrade : Materials Research Society of Serbia
C3  - THE TWENTY-FOURTH ANNUAL CONFERENCE YUCOMAT 2023
T1  - Thermal characterization of bioactive polyphosphate glass with strontium addition
EP  - 163
SP  - 163
ER  - 

@conference{
author = "Topalović, Vladimir and Matijašević, Srđan and Nikolić, Jelena and Savić, Veljko and Đošić, Marija and Grujić, sn",
year = "2023",
abstract = "Polyphosphate glasses are a class of bioactive glasses that have gained significant attention in recent years due to their unique properties and potential applications in various fields, particularly in the area of biomedical engineering. These glasses exhibit excellent biocompatibility, which is a crucial requirement for biomaterials. Furthermore, their dissolution and degradation rates can be tailored by modifying their composition, allowing for control over their bioactivity and biodegradability. Polyphosphate glasses also have the ability to form a hydroxyapatite-like layer on their surface when in contact with biological fluids, which facilitates their integration with surrounding tissues. The unique properties of polyphosphate glasses make them promising candidates for various biomedical applications, including bone tissue engineering, drug delivery, and wound healing. This paper presents the thermal characterization of two bioactive polyphosphate glass compositions with the addition of strontium, to investigate the sintering and crystallization processes. The samples were synthesized using the melt-quenching method and then sintered at various temperatures. Differential scanning calorimetry (DSC) and X-ray diffraction (XRD) were used to analyze the thermal behavior and crystalline phases formed during sintering. Our results showed that sintering and crystallization are separate processes for both compositions. The addition of strontium to the glass improved its sintering behavior, resulting in a denser glass structure. Moreover, strontium incorporation did not affect the formation of the crystalline phase during sintering. These findings provide useful insights into the design and development of bioactive polyphosphate glass compositions for bone tissue engineering applications.",
publisher = "Belgrade : Materials Research Society of Serbia",
journal = "THE TWENTY-FOURTH ANNUAL CONFERENCE YUCOMAT 2023",
title = "Thermal characterization of bioactive polyphosphate glass with strontium addition",
pages = "163-163"
}

Topalović, V., Matijašević, S., Nikolić, J., Savić, V., Đošić, M.,& Grujić, s.. (2023). Thermal characterization of bioactive polyphosphate glass with strontium addition. in THE TWENTY-FOURTH ANNUAL CONFERENCE YUCOMAT 2023
Belgrade : Materials Research Society of Serbia., 163-163.

Topalović V, Matijašević S, Nikolić J, Savić V, Đošić M, Grujić S. Thermal characterization of bioactive polyphosphate glass with strontium addition. in THE TWENTY-FOURTH ANNUAL CONFERENCE YUCOMAT 2023. 2023;:163-163..

Topalović, Vladimir, Matijašević, Srđan, Nikolić, Jelena, Savić, Veljko, Đošić, Marija, Grujić, sn, "Thermal characterization of bioactive polyphosphate glass with strontium addition" in THE TWENTY-FOURTH ANNUAL CONFERENCE YUCOMAT 2023 (2023):163-163.

TY  - CONF
AU  - Nikolić, Jelena
AU  - Topalović, Vladimir
AU  - Đošić, Marija
AU  - Savić, Veljko
AU  - Obradović, Milena
AU  - Matijašević, Srđan
AU  - Grujić, Snežana
PY  - 2023
UR  - https://ritnms.itnms.ac.rs/handle/123456789/792
AB  - This paper shows the dissolution behavior of polyphosphate glass in demineralized water and 2% citric acid solution at temperatures: 15, 20, 30, 37 and 50 °C. The influence of the solvent type on the diffusion coefficients of the modifying cations, under static conditions, is also presented. The diffusion coefficients, determined from concentration profiles of the modifying cations, are calculated to be in the range of 0.27 to 350x10-14 m2/h for dissolution in demineralized water, and in the range of 3.6 to 148x10-12 m2/h for the dissolution in 2% citric acid solution. The values of activation energy of cations diffusion in demineralized water are in the range from 68.32 to 105.41 kJ/mol, while for 2% citric acid solution they are in the range from 39.28 to 55.34 kJ/mol.
PB  - Belgrade : Association of Metallurgical Engineers of Serbia
C3  - 5th Metallurgical & Materials Engineering Congress of South-East Europe
T1  - Dissolution  of polyphosphate glass: Impact of pH on diffusion coefficients of modifying cations at low temperatures
EP  - 236
SP  - 231
ER  - 

@conference{
author = "Nikolić, Jelena and Topalović, Vladimir and Đošić, Marija and Savić, Veljko and Obradović, Milena and Matijašević, Srđan and Grujić, Snežana",
year = "2023",
abstract = "This paper shows the dissolution behavior of polyphosphate glass in demineralized water and 2% citric acid solution at temperatures: 15, 20, 30, 37 and 50 °C. The influence of the solvent type on the diffusion coefficients of the modifying cations, under static conditions, is also presented. The diffusion coefficients, determined from concentration profiles of the modifying cations, are calculated to be in the range of 0.27 to 350x10-14 m2/h for dissolution in demineralized water, and in the range of 3.6 to 148x10-12 m2/h for the dissolution in 2% citric acid solution. The values of activation energy of cations diffusion in demineralized water are in the range from 68.32 to 105.41 kJ/mol, while for 2% citric acid solution they are in the range from 39.28 to 55.34 kJ/mol.",
publisher = "Belgrade : Association of Metallurgical Engineers of Serbia",
journal = "5th Metallurgical & Materials Engineering Congress of South-East Europe",
title = "Dissolution  of polyphosphate glass: Impact of pH on diffusion coefficients of modifying cations at low temperatures",
pages = "236-231"
}

Nikolić, J., Topalović, V., Đošić, M., Savić, V., Obradović, M., Matijašević, S.,& Grujić, S.. (2023). Dissolution  of polyphosphate glass: Impact of pH on diffusion coefficients of modifying cations at low temperatures. in 5th Metallurgical & Materials Engineering Congress of South-East Europe
Belgrade : Association of Metallurgical Engineers of Serbia., 231-236.

Nikolić J, Topalović V, Đošić M, Savić V, Obradović M, Matijašević S, Grujić S. Dissolution  of polyphosphate glass: Impact of pH on diffusion coefficients of modifying cations at low temperatures. in 5th Metallurgical & Materials Engineering Congress of South-East Europe. 2023;:231-236..

Nikolić, Jelena, Topalović, Vladimir, Đošić, Marija, Savić, Veljko, Obradović, Milena, Matijašević, Srđan, Grujić, Snežana, "Dissolution  of polyphosphate glass: Impact of pH on diffusion coefficients of modifying cations at low temperatures" in 5th Metallurgical & Materials Engineering Congress of South-East Europe (2023):231-236.

TY  - JOUR
AU  - Savić, Veljko
AU  - Topalović, Vladimir
AU  - Nikolić, Jelena
AU  - Jevtić, Sanja
AU  - Manić, Nebojša
AU  - Komatina, Mirko
AU  - Matijašević, Srđan
AU  - Grujić, Snežana
PY  - 2023
UR  - https://ritnms.itnms.ac.rs/handle/123456789/821
AB  - Great waste production alongside limited natural resources represents huge environmental and economic problems worldwide. Sustainable waste management and industrial production can reduce pollution and gain some economic benefits. Eco-friendly thermal insulators such as foam glasses can be produced using secondary raw materials in open-loop recycling. Foam glasses were successfully produced using green bottle glass and sugar beet factory lime (SBFL), CaCO3-rich waste as a novel foaming agent. Glass powder was mixed with different amount of SBFL, uniaxially pressed at 20 MPa, and sintered at different temperatures. The influence of sintering temperature and the addition of a foaming agent was examined. Obtained samples were mechanically, thermally, and microstructurally characterized. Results showed that samples sintered at 800 °C have the best properties.  Obtained  foam glasses can be used in a variety of industries where thermal insulation, non-flammability, and non-toxic materials are required.
PB  - On Ching Lo
T2  - Heliyon
T1  - Foam glasses made from green bottle glass and sugar beet factory lime as a foaming agent
IS  - 7
VL  - 9
DO  - 10.1016/j.heliyon.2023.e17664
ER  - 

@article{
author = "Savić, Veljko and Topalović, Vladimir and Nikolić, Jelena and Jevtić, Sanja and Manić, Nebojša and Komatina, Mirko and Matijašević, Srđan and Grujić, Snežana",
year = "2023",
abstract = "Great waste production alongside limited natural resources represents huge environmental and economic problems worldwide. Sustainable waste management and industrial production can reduce pollution and gain some economic benefits. Eco-friendly thermal insulators such as foam glasses can be produced using secondary raw materials in open-loop recycling. Foam glasses were successfully produced using green bottle glass and sugar beet factory lime (SBFL), CaCO3-rich waste as a novel foaming agent. Glass powder was mixed with different amount of SBFL, uniaxially pressed at 20 MPa, and sintered at different temperatures. The influence of sintering temperature and the addition of a foaming agent was examined. Obtained samples were mechanically, thermally, and microstructurally characterized. Results showed that samples sintered at 800 °C have the best properties.  Obtained  foam glasses can be used in a variety of industries where thermal insulation, non-flammability, and non-toxic materials are required.",
publisher = "On Ching Lo",
journal = "Heliyon",
title = "Foam glasses made from green bottle glass and sugar beet factory lime as a foaming agent",
number = "7",
volume = "9",
doi = "10.1016/j.heliyon.2023.e17664"
}

Savić, V., Topalović, V., Nikolić, J., Jevtić, S., Manić, N., Komatina, M., Matijašević, S.,& Grujić, S.. (2023). Foam glasses made from green bottle glass and sugar beet factory lime as a foaming agent. in Heliyon
On Ching Lo., 9(7).
https://doi.org/10.1016/j.heliyon.2023.e17664

Savić V, Topalović V, Nikolić J, Jevtić S, Manić N, Komatina M, Matijašević S, Grujić S. Foam glasses made from green bottle glass and sugar beet factory lime as a foaming agent. in Heliyon. 2023;9(7).
doi:10.1016/j.heliyon.2023.e17664 .

Savić, Veljko, Topalović, Vladimir, Nikolić, Jelena, Jevtić, Sanja, Manić, Nebojša, Komatina, Mirko, Matijašević, Srđan, Grujić, Snežana, "Foam glasses made from green bottle glass and sugar beet factory lime as a foaming agent" in Heliyon, 9, no. 7 (2023),
https://doi.org/10.1016/j.heliyon.2023.e17664 . .

TY  - CONF
AU  - Savić, Veljko
AU  - Topalović, Vladimir
AU  - Nikolić, Jelena
AU  - Đošić, Marija
AU  - Matijašević, Srđan
AU  - Grujić, Snežana
PY  - 2023
UR  - https://ritnms.itnms.ac.rs/handle/123456789/785
AB  - Open loop glass recycling is a process where the glass is recycled into a new product. Glass recycling helps reduce landfill waste. Glass takes up significant space in landfills and does not decompose. In many countries, landfills are filling up faster than we can create new ones. Recycling glass reduces the volume of waste, and increases the lifespan of landfills. One of examples of open loop recycling of glass is glass foam produciton. Glass foam production is a process that involves the creation of a light-weight glass material with a foam-like consistency. This type of glass is made by mixing a foaming agent with glass powder and heating to temperatures where decomposition of a foaming agent and sintering of glass happens. This results in the creation of a material that is light, strong, and has thermally-insulating properties. Milled flat glass was mixed with sugar beet factory lime, a CaCO3 – rich waste wich has role of a foaming agent, in order to enter 5% CaCO3 in mixture and pressed at 20 MPa in hydraulic press. Raw pellets were sintered at 800 °C for 30 min. In obtained glass foam phase composition, pore size distribution, compressive strength and thermal conducitivity were determined. Glass foam is emerging as a flexible, cost-effective, and sustainable material that can be utilized in numerous applications to promote sustainable development. Its features such as high insulation capacity, lightweight, and durability make it an ideal material for a wide range of industries.
PB  - Belgrade : Materials Research Society of Serbia
C3  - THE TWENTY-FOURTH ANNUAL CONFERENCE YUCOMAT 2023
T1  - Recycling of flat glass for glass foam production
EP  - 98
SP  - 98
ER  - 

@conference{
author = "Savić, Veljko and Topalović, Vladimir and Nikolić, Jelena and Đošić, Marija and Matijašević, Srđan and Grujić, Snežana",
year = "2023",
abstract = "Open loop glass recycling is a process where the glass is recycled into a new product. Glass recycling helps reduce landfill waste. Glass takes up significant space in landfills and does not decompose. In many countries, landfills are filling up faster than we can create new ones. Recycling glass reduces the volume of waste, and increases the lifespan of landfills. One of examples of open loop recycling of glass is glass foam produciton. Glass foam production is a process that involves the creation of a light-weight glass material with a foam-like consistency. This type of glass is made by mixing a foaming agent with glass powder and heating to temperatures where decomposition of a foaming agent and sintering of glass happens. This results in the creation of a material that is light, strong, and has thermally-insulating properties. Milled flat glass was mixed with sugar beet factory lime, a CaCO3 – rich waste wich has role of a foaming agent, in order to enter 5% CaCO3 in mixture and pressed at 20 MPa in hydraulic press. Raw pellets were sintered at 800 °C for 30 min. In obtained glass foam phase composition, pore size distribution, compressive strength and thermal conducitivity were determined. Glass foam is emerging as a flexible, cost-effective, and sustainable material that can be utilized in numerous applications to promote sustainable development. Its features such as high insulation capacity, lightweight, and durability make it an ideal material for a wide range of industries.",
publisher = "Belgrade : Materials Research Society of Serbia",
journal = "THE TWENTY-FOURTH ANNUAL CONFERENCE YUCOMAT 2023",
title = "Recycling of flat glass for glass foam production",
pages = "98-98"
}

Savić, V., Topalović, V., Nikolić, J., Đošić, M., Matijašević, S.,& Grujić, S.. (2023). Recycling of flat glass for glass foam production. in THE TWENTY-FOURTH ANNUAL CONFERENCE YUCOMAT 2023
Belgrade : Materials Research Society of Serbia., 98-98.

Savić V, Topalović V, Nikolić J, Đošić M, Matijašević S, Grujić S. Recycling of flat glass for glass foam production. in THE TWENTY-FOURTH ANNUAL CONFERENCE YUCOMAT 2023. 2023;:98-98..

Savić, Veljko, Topalović, Vladimir, Nikolić, Jelena, Đošić, Marija, Matijašević, Srđan, Grujić, Snežana, "Recycling of flat glass for glass foam production" in THE TWENTY-FOURTH ANNUAL CONFERENCE YUCOMAT 2023 (2023):98-98.

TY  - JOUR
AU  - Topalović, Vladimir
AU  - Nikolić, Jelena
AU  - Matijašević, Srđan
AU  - Stojanović, Jovica
AU  - Karamanov, Alexander
AU  - Grujić, Snežana
AU  - Jevtić, Sanja
PY  - 2023
UR  - https://ritnms.itnms.ac.rs/handle/123456789/650
AB  - The goal of this research is to investigate the effect of SrO and La2O3 addition on the crystallization characteristics and sintering behavior of polyphosphate glasses. Differential scanning calorimetry (DSC), hot stage microscopy (HSM), X-ray diffraction (XRD), and scanning electron microscopy (SEM) methods were used to investigate the crystallization and sintering behaviors of glasses. The addition of SrO and La2O3 (1 or 5%), at the expense of phosphate mole fraction in polyphosphate bioactive glass, raises the characteristic temperature of glasses, and resistance to crystallization. Furthermore, the temperature of maximal shrinkage increases with the addition of SrO and La2O3. Surface crystallization is the dominant mechanism of crystallization in all samples. All glasses show complex crystallization leading to the formation of several crystalline phases. Sintered phosphate glass-ceramic containing bioactive beta-CaP2O6, alpha-Ca-3(PO4)(2,) and beta-Ca-3(PO4)(2) phases were successfully prepared.
PB  - Dordrecht : Springer
T2  - Journal of Thermal Analysis and Calorimetry
T1  - The effect of SrO and La2O3 addition on the crystallization characteristics and sintering behavior of distinct polyphosphate glasses
EP  - 732
EP  - 
IS  - 3
SP  - 721
VL  - 148
DO  - 10.1007/s10973-022-11777-8
UR  - conv_958
ER  - 

@article{
author = "Topalović, Vladimir and Nikolić, Jelena and Matijašević, Srđan and Stojanović, Jovica and Karamanov, Alexander and Grujić, Snežana and Jevtić, Sanja",
year = "2023",
abstract = "The goal of this research is to investigate the effect of SrO and La2O3 addition on the crystallization characteristics and sintering behavior of polyphosphate glasses. Differential scanning calorimetry (DSC), hot stage microscopy (HSM), X-ray diffraction (XRD), and scanning electron microscopy (SEM) methods were used to investigate the crystallization and sintering behaviors of glasses. The addition of SrO and La2O3 (1 or 5%), at the expense of phosphate mole fraction in polyphosphate bioactive glass, raises the characteristic temperature of glasses, and resistance to crystallization. Furthermore, the temperature of maximal shrinkage increases with the addition of SrO and La2O3. Surface crystallization is the dominant mechanism of crystallization in all samples. All glasses show complex crystallization leading to the formation of several crystalline phases. Sintered phosphate glass-ceramic containing bioactive beta-CaP2O6, alpha-Ca-3(PO4)(2,) and beta-Ca-3(PO4)(2) phases were successfully prepared.",
publisher = "Dordrecht : Springer",
journal = "Journal of Thermal Analysis and Calorimetry",
title = "The effect of SrO and La2O3 addition on the crystallization characteristics and sintering behavior of distinct polyphosphate glasses",
pages = "732--721",
number = "3",
volume = "148",
doi = "10.1007/s10973-022-11777-8",
url = "conv_958"
}

Topalović, V., Nikolić, J., Matijašević, S., Stojanović, J., Karamanov, A., Grujić, S.,& Jevtić, S.. (2023). The effect of SrO and La2O3 addition on the crystallization characteristics and sintering behavior of distinct polyphosphate glasses. in Journal of Thermal Analysis and Calorimetry
Dordrecht : Springer., 148(3), 721-732.
https://doi.org/10.1007/s10973-022-11777-8
conv_958

Topalović V, Nikolić J, Matijašević S, Stojanović J, Karamanov A, Grujić S, Jevtić S. The effect of SrO and La2O3 addition on the crystallization characteristics and sintering behavior of distinct polyphosphate glasses. in Journal of Thermal Analysis and Calorimetry. 2023;148(3):721-732.
doi:10.1007/s10973-022-11777-8
conv_958 .

Topalović, Vladimir, Nikolić, Jelena, Matijašević, Srđan, Stojanović, Jovica, Karamanov, Alexander, Grujić, Snežana, Jevtić, Sanja, "The effect of SrO and La2O3 addition on the crystallization characteristics and sintering behavior of distinct polyphosphate glasses" in Journal of Thermal Analysis and Calorimetry, 148, no. 3 (2023):721-732,
https://doi.org/10.1007/s10973-022-11777-8 .,
conv_958 .

TY  - CONF
AU  - Topalović, Vladimir
AU  - Nikolić, Jelena
AU  - Matijašević, Srđan
AU  - Savić, Veljko
AU  - Đošić, Marija
AU  - Vujošević, Ana
AU  - Grujić, Snežana
PY  - 2022
UR  - https://ritnms.itnms.ac.rs/handle/123456789/801
AB  - The main goal of agricultural production should be the production of a sufficient amount of agricultural products with the least possible impact on the environment. In traditional agricultural production, in order to obtain a satisfactory yield, artificial fertilizers are used, which have multiple negative impacts on the environment. Glassy fertilizers are a type of fertilizer that, at least according to previous research, do not have a negative impact on the environment and the same time the use of these fertilizers yields not less than when using traditional fertilizers. Glassy fertilizers are fertilizers with controlled dissolution, they do not pollute groundwater or surface water, the pH of the soil does not change with their use, by changing the composition they can adapt to the requirements of each crop individually, etc. The paper presents three phosphate glassy fertilizers of different chemical composition, obtained at the Center for Inorganic Technologies, ITNMS. The method of obtaining of glassy fertilizers, their dissolution rates in a medium that simulates soil conditions, the changes in pH values of solutions for different dissolution times and the effect of temperature on dissolution rates are shown. Also, the results of the influence of glass fertilizers on plant cultures in real conditions are presented.
PB  - Banja Luka : University in Banja Luka, Faculty of Technology
C3  - XIV Conference of chemists, technologists and environmentalists of Republic of Srpska
T1  - Phophate glassy fertilizers
EP  - 66
SP  - 62
ER  - 

@conference{
author = "Topalović, Vladimir and Nikolić, Jelena and Matijašević, Srđan and Savić, Veljko and Đošić, Marija and Vujošević, Ana and Grujić, Snežana",
year = "2022",
abstract = "The main goal of agricultural production should be the production of a sufficient amount of agricultural products with the least possible impact on the environment. In traditional agricultural production, in order to obtain a satisfactory yield, artificial fertilizers are used, which have multiple negative impacts on the environment. Glassy fertilizers are a type of fertilizer that, at least according to previous research, do not have a negative impact on the environment and the same time the use of these fertilizers yields not less than when using traditional fertilizers. Glassy fertilizers are fertilizers with controlled dissolution, they do not pollute groundwater or surface water, the pH of the soil does not change with their use, by changing the composition they can adapt to the requirements of each crop individually, etc. The paper presents three phosphate glassy fertilizers of different chemical composition, obtained at the Center for Inorganic Technologies, ITNMS. The method of obtaining of glassy fertilizers, their dissolution rates in a medium that simulates soil conditions, the changes in pH values of solutions for different dissolution times and the effect of temperature on dissolution rates are shown. Also, the results of the influence of glass fertilizers on plant cultures in real conditions are presented.",
publisher = "Banja Luka : University in Banja Luka, Faculty of Technology",
journal = "XIV Conference of chemists, technologists and environmentalists of Republic of Srpska",
title = "Phophate glassy fertilizers",
pages = "66-62"
}

Topalović, V., Nikolić, J., Matijašević, S., Savić, V., Đošić, M., Vujošević, A.,& Grujić, S.. (2022). Phophate glassy fertilizers. in XIV Conference of chemists, technologists and environmentalists of Republic of Srpska
Banja Luka : University in Banja Luka, Faculty of Technology., 62-66.

Topalović V, Nikolić J, Matijašević S, Savić V, Đošić M, Vujošević A, Grujić S. Phophate glassy fertilizers. in XIV Conference of chemists, technologists and environmentalists of Republic of Srpska. 2022;:62-66..

Topalović, Vladimir, Nikolić, Jelena, Matijašević, Srđan, Savić, Veljko, Đošić, Marija, Vujošević, Ana, Grujić, Snežana, "Phophate glassy fertilizers" in XIV Conference of chemists, technologists and environmentalists of Republic of Srpska (2022):62-66.

TY  - CONF
AU  - Topalović, Vladimir
AU  - Matijašević, Srđan
AU  - Nikolić, Jelena
AU  - Savić, Veljko
AU  - Đošić, Marija
AU  - Grujić, Snežana
PY  - 2022
UR  - https://ritnms.itnms.ac.rs/handle/123456789/779
AB  - The purpose of this study is to investigate the influence of La2O3 addition on the crystallization characteristics of polyphosphate glasses. Differential scanning calorimetry (DSC), and X-ray diffraction (XRD) methods were used to investigate the crystallization behavior of glasses. The addition of La2O3 (1-5%), at the expense of phosphate mole fraction in polyphosphate glass, raises the characteristic temperature of glasses, and resistance to crystallization. The glasses show complex crystallization leading to the formation of several crystalline phases
PB  - Bor : Mining and Metallurgy Institute Bor
C3  - 53rd International October Conference on Mining and Metallurgy IOC 2022
T1  - The efect of La2O3 addition on the crystallization characteristics of polyphosphate glasses
EP  - 142
SP  - 139
ER  - 

@conference{
author = "Topalović, Vladimir and Matijašević, Srđan and Nikolić, Jelena and Savić, Veljko and Đošić, Marija and Grujić, Snežana",
year = "2022",
abstract = "The purpose of this study is to investigate the influence of La2O3 addition on the crystallization characteristics of polyphosphate glasses. Differential scanning calorimetry (DSC), and X-ray diffraction (XRD) methods were used to investigate the crystallization behavior of glasses. The addition of La2O3 (1-5%), at the expense of phosphate mole fraction in polyphosphate glass, raises the characteristic temperature of glasses, and resistance to crystallization. The glasses show complex crystallization leading to the formation of several crystalline phases",
publisher = "Bor : Mining and Metallurgy Institute Bor",
journal = "53rd International October Conference on Mining and Metallurgy IOC 2022",
title = "The efect of La2O3 addition on the crystallization characteristics of polyphosphate glasses",
pages = "142-139"
}

Topalović, V., Matijašević, S., Nikolić, J., Savić, V., Đošić, M.,& Grujić, S.. (2022). The efect of La2O3 addition on the crystallization characteristics of polyphosphate glasses. in 53rd International October Conference on Mining and Metallurgy IOC 2022
Bor : Mining and Metallurgy Institute Bor., 139-142.

Topalović V, Matijašević S, Nikolić J, Savić V, Đošić M, Grujić S. The efect of La2O3 addition on the crystallization characteristics of polyphosphate glasses. in 53rd International October Conference on Mining and Metallurgy IOC 2022. 2022;:139-142..

Topalović, Vladimir, Matijašević, Srđan, Nikolić, Jelena, Savić, Veljko, Đošić, Marija, Grujić, Snežana, "The efect of La2O3 addition on the crystallization characteristics of polyphosphate glasses" in 53rd International October Conference on Mining and Metallurgy IOC 2022 (2022):139-142.

TY  - CONF
AU  - Savić, Veljko
AU  - Topalović, Vladimir
AU  - Nikolić, Jelena
AU  - Matijašević, Srđan
AU  - Zildžović, Snežana
AU  - Grujić, Snežana
PY  - 2022
UR  - https://ritnms.itnms.ac.rs/handle/123456789/778
AB  - The increasing production of coal fly ash waste from thermal power plants has compounded environmental and economical problems worldwide. In this research coal fly ash was mixed with glass cullet and CaCO3 and melted at T= 1500 °C. The glass was milled, pressed and sintered at T= 900 °C to obtain glass- ceramic. Obtained glass- ceramic was well sintered with low crystallinity. This material, produced from secondary raw materials, could find potential application in building industry as substitute for commercial wall and floor tiles.
PB  - Bor : Mining and Metallurgy Institute Bor
C3  - 53rd International October Conference on Mining and Metallurgy IOC 2022
T1  - Sinter-crystallization of coal fly ash based glass
EP  - 104
SP  - 101
ER  - 

@conference{
author = "Savić, Veljko and Topalović, Vladimir and Nikolić, Jelena and Matijašević, Srđan and Zildžović, Snežana and Grujić, Snežana",
year = "2022",
abstract = "The increasing production of coal fly ash waste from thermal power plants has compounded environmental and economical problems worldwide. In this research coal fly ash was mixed with glass cullet and CaCO3 and melted at T= 1500 °C. The glass was milled, pressed and sintered at T= 900 °C to obtain glass- ceramic. Obtained glass- ceramic was well sintered with low crystallinity. This material, produced from secondary raw materials, could find potential application in building industry as substitute for commercial wall and floor tiles.",
publisher = "Bor : Mining and Metallurgy Institute Bor",
journal = "53rd International October Conference on Mining and Metallurgy IOC 2022",
title = "Sinter-crystallization of coal fly ash based glass",
pages = "104-101"
}

Savić, V., Topalović, V., Nikolić, J., Matijašević, S., Zildžović, S.,& Grujić, S.. (2022). Sinter-crystallization of coal fly ash based glass. in 53rd International October Conference on Mining and Metallurgy IOC 2022
Bor : Mining and Metallurgy Institute Bor., 101-104.

Savić V, Topalović V, Nikolić J, Matijašević S, Zildžović S, Grujić S. Sinter-crystallization of coal fly ash based glass. in 53rd International October Conference on Mining and Metallurgy IOC 2022. 2022;:101-104..

Savić, Veljko, Topalović, Vladimir, Nikolić, Jelena, Matijašević, Srđan, Zildžović, Snežana, Grujić, Snežana, "Sinter-crystallization of coal fly ash based glass" in 53rd International October Conference on Mining and Metallurgy IOC 2022 (2022):101-104.

TY  - CONF
AU  - Matijašević, Srđan
AU  - Topalović, Vladimir
AU  - Savić, Veljko
AU  - Labus, Nebojsa
AU  - Nikolić, Jelena
AU  - Zildžović, Snežana
AU  - Grujić, Snežana
PY  - 2022
UR  - https://ritnms.itnms.ac.rs/handle/123456789/802
AB  - The crystal growth rate of lithium germanium-phosphate glass was studied. The glasses have been homogenized using the previously established temperature-time conditions, which make it possible to remove a volatile substances from the glass melt. The AAS was used to determine the chemical content of obtained glass, the differential thermal analysis (DTA), and scanning electron microscope (SEM) were used to reveal the isothermal process of crystal growth, respectively. It has been found that the experimental determined crystal growth rate has a tendency toward of exponentially increase with an increase the temperature.
PB  - Belgrade : Serbian Ceramic Society
C3  - Serbian Ceramic Society Conference-Advance Ceramics and Application X-New Frontiers in Multifunctional Material Science and Processing
T1  - The analysis of the crystal growth process of the lithium germanium phosphate glass
EP  - 42
SP  - 42
ER  - 

@conference{
author = "Matijašević, Srđan and Topalović, Vladimir and Savić, Veljko and Labus, Nebojsa and Nikolić, Jelena and Zildžović, Snežana and Grujić, Snežana",
year = "2022",
abstract = "The crystal growth rate of lithium germanium-phosphate glass was studied. The glasses have been homogenized using the previously established temperature-time conditions, which make it possible to remove a volatile substances from the glass melt. The AAS was used to determine the chemical content of obtained glass, the differential thermal analysis (DTA), and scanning electron microscope (SEM) were used to reveal the isothermal process of crystal growth, respectively. It has been found that the experimental determined crystal growth rate has a tendency toward of exponentially increase with an increase the temperature.",
publisher = "Belgrade : Serbian Ceramic Society",
journal = "Serbian Ceramic Society Conference-Advance Ceramics and Application X-New Frontiers in Multifunctional Material Science and Processing",
title = "The analysis of the crystal growth process of the lithium germanium phosphate glass",
pages = "42-42"
}

Matijašević, S., Topalović, V., Savić, V., Labus, N., Nikolić, J., Zildžović, S.,& Grujić, S.. (2022). The analysis of the crystal growth process of the lithium germanium phosphate glass. in Serbian Ceramic Society Conference-Advance Ceramics and Application X-New Frontiers in Multifunctional Material Science and Processing
Belgrade : Serbian Ceramic Society., 42-42.

Matijašević S, Topalović V, Savić V, Labus N, Nikolić J, Zildžović S, Grujić S. The analysis of the crystal growth process of the lithium germanium phosphate glass. in Serbian Ceramic Society Conference-Advance Ceramics and Application X-New Frontiers in Multifunctional Material Science and Processing. 2022;:42-42..

Matijašević, Srđan, Topalović, Vladimir, Savić, Veljko, Labus, Nebojsa, Nikolić, Jelena, Zildžović, Snežana, Grujić, Snežana, "The analysis of the crystal growth process of the lithium germanium phosphate glass" in Serbian Ceramic Society Conference-Advance Ceramics and Application X-New Frontiers in Multifunctional Material Science and Processing (2022):42-42.

TY  - CONF
AU  - Nikolić, Jelena
AU  - Topalović, Vladimir
AU  - Matijašević, Srđan
AU  - Savić, Veljko
AU  - Đošić, Marija
AU  - Zildžović, Snežana
AU  - Grujić, Snežana
PY  - 2022
UR  - https://ritnms.itnms.ac.rs/handle/123456789/788
AB  - Fosfatna stakla imaju jedinstveno svojstvo da se mogu potpuno rastvoriti u vodenim rastvorima, a brzina rastvaranja može da se kontroliše. Proces rastvaranja stakla počinje razmenom katjona sa površine stakla sa protonima iz rastvora (H+ ili H3O+) i hidratacijom staklene mreže. Početna brzina rastvaranja je osnovna karakteristika rastvaranja stakla. Analiza početnih brzina rastvaranja fosfatnog stakla, koje je dobijeno topljenjem,  pokazuje da su brzine značajno veće u kiseloj sredini u odnosu na brzine rastvaranja u neutralnoj. Granulacija uzorka ima veći uticaj na početne brzine u neutralnoj sredini. Granulacija uzorka ne utiče na vrednost energije aktivacija početnih brzina rastvaranja u obe sredine. U neutralnoj sredini temperatura manje utiče na hidrolizu, a više na difuziju katjona, dok je u kiseloj sredini suprotno.
PB  - Belgrade : Serbian Chemical Society
C3  - 58. Savetovanje Srpskog hemijskog društva/ 58th Meeting of the Serbian Chemical Society
T1  - Ispitivanje uticaja pH i granulacije na početnu brzinu rastvaranja fosfatnog stakla/ Investigation of the influence of pH and granulation on the initial dissolution rate of phosphate glass
EP  - 119
SP  - 119
ER  - 

@conference{
author = "Nikolić, Jelena and Topalović, Vladimir and Matijašević, Srđan and Savić, Veljko and Đošić, Marija and Zildžović, Snežana and Grujić, Snežana",
year = "2022",
abstract = "Fosfatna stakla imaju jedinstveno svojstvo da se mogu potpuno rastvoriti u vodenim rastvorima, a brzina rastvaranja može da se kontroliše. Proces rastvaranja stakla počinje razmenom katjona sa površine stakla sa protonima iz rastvora (H+ ili H3O+) i hidratacijom staklene mreže. Početna brzina rastvaranja je osnovna karakteristika rastvaranja stakla. Analiza početnih brzina rastvaranja fosfatnog stakla, koje je dobijeno topljenjem,  pokazuje da su brzine značajno veće u kiseloj sredini u odnosu na brzine rastvaranja u neutralnoj. Granulacija uzorka ima veći uticaj na početne brzine u neutralnoj sredini. Granulacija uzorka ne utiče na vrednost energije aktivacija početnih brzina rastvaranja u obe sredine. U neutralnoj sredini temperatura manje utiče na hidrolizu, a više na difuziju katjona, dok je u kiseloj sredini suprotno.",
publisher = "Belgrade : Serbian Chemical Society",
journal = "58. Savetovanje Srpskog hemijskog društva/ 58th Meeting of the Serbian Chemical Society",
title = "Ispitivanje uticaja pH i granulacije na početnu brzinu rastvaranja fosfatnog stakla/ Investigation of the influence of pH and granulation on the initial dissolution rate of phosphate glass",
pages = "119-119"
}

Nikolić, J., Topalović, V., Matijašević, S., Savić, V., Đošić, M., Zildžović, S.,& Grujić, S.. (2022). Ispitivanje uticaja pH i granulacije na početnu brzinu rastvaranja fosfatnog stakla/ Investigation of the influence of pH and granulation on the initial dissolution rate of phosphate glass. in 58. Savetovanje Srpskog hemijskog društva/ 58th Meeting of the Serbian Chemical Society
Belgrade : Serbian Chemical Society., 119-119.

Nikolić J, Topalović V, Matijašević S, Savić V, Đošić M, Zildžović S, Grujić S. Ispitivanje uticaja pH i granulacije na početnu brzinu rastvaranja fosfatnog stakla/ Investigation of the influence of pH and granulation on the initial dissolution rate of phosphate glass. in 58. Savetovanje Srpskog hemijskog društva/ 58th Meeting of the Serbian Chemical Society. 2022;:119-119..

Nikolić, Jelena, Topalović, Vladimir, Matijašević, Srđan, Savić, Veljko, Đošić, Marija, Zildžović, Snežana, Grujić, Snežana, "Ispitivanje uticaja pH i granulacije na početnu brzinu rastvaranja fosfatnog stakla/ Investigation of the influence of pH and granulation on the initial dissolution rate of phosphate glass" in 58. Savetovanje Srpskog hemijskog društva/ 58th Meeting of the Serbian Chemical Society (2022):119-119.

TY  - JOUR
AU  - Matijašević, Srđan
AU  - Grujić, Snežana R.
AU  - Nikolić, Jelena
AU  - Topalović, Vladimir
AU  - Savić, Veljko
AU  - Zildžović, Snežana
AU  - Labus, Nebojša
PY  - 2022
UR  - https://ritnms.itnms.ac.rs/handle/123456789/619
AB  - The nucleation process of lithium germanium-phosphate glass was studied to determine the temperature range of nucleation and the temperature of the maximum nucleation rate. The differential thermal analysis (DTA), and scanning electron microscope (SEM) were used to reveal the nonisothermal and isothermal process of nucleation, respectively. The crystallization process occurred at a high homogeneous nucleation rate and the spherulitic crystal growth morphology. Nanostructured samples were obtained.
PB  - Međunarodni Institut za nauku o sinterovanju, Beograd
T2  - Science of Sintering
T1  - The Analysis of the Nucleation Process of the Lithium Germanium Phosphate Glass
EP  - 334
IS  - 3
SP  - 321
VL  - 54
DO  - 10.2298/SOS2203321M
UR  - conv_960
UR  - https://hdl.handle.net/21.15107/rcub_dais_13580
ER  - 

@article{
author = "Matijašević, Srđan and Grujić, Snežana R. and Nikolić, Jelena and Topalović, Vladimir and Savić, Veljko and Zildžović, Snežana and Labus, Nebojša",
year = "2022",
abstract = "The nucleation process of lithium germanium-phosphate glass was studied to determine the temperature range of nucleation and the temperature of the maximum nucleation rate. The differential thermal analysis (DTA), and scanning electron microscope (SEM) were used to reveal the nonisothermal and isothermal process of nucleation, respectively. The crystallization process occurred at a high homogeneous nucleation rate and the spherulitic crystal growth morphology. Nanostructured samples were obtained.",
publisher = "Međunarodni Institut za nauku o sinterovanju, Beograd",
journal = "Science of Sintering",
title = "The Analysis of the Nucleation Process of the Lithium Germanium Phosphate Glass",
pages = "334-321",
number = "3",
volume = "54",
doi = "10.2298/SOS2203321M",
url = "conv_960, https://hdl.handle.net/21.15107/rcub_dais_13580"
}

Matijašević, S., Grujić, S. R., Nikolić, J., Topalović, V., Savić, V., Zildžović, S.,& Labus, N.. (2022). The Analysis of the Nucleation Process of the Lithium Germanium Phosphate Glass. in Science of Sintering
Međunarodni Institut za nauku o sinterovanju, Beograd., 54(3), 321-334.
https://doi.org/10.2298/SOS2203321M
conv_960

Matijašević S, Grujić SR, Nikolić J, Topalović V, Savić V, Zildžović S, Labus N. The Analysis of the Nucleation Process of the Lithium Germanium Phosphate Glass. in Science of Sintering. 2022;54(3):321-334.
doi:10.2298/SOS2203321M
conv_960 .

Matijašević, Srđan, Grujić, Snežana R., Nikolić, Jelena, Topalović, Vladimir, Savić, Veljko, Zildžović, Snežana, Labus, Nebojša, "The Analysis of the Nucleation Process of the Lithium Germanium Phosphate Glass" in Science of Sintering, 54, no. 3 (2022):321-334,
https://doi.org/10.2298/SOS2203321M .,
conv_960 .

TY  - CONF
AU  - Topalović, Vladimir
AU  - Nikolić, Jelena
AU  - Savić, Veljko
AU  - Matijašević, Srđan
AU  - Đošić, Marija
AU  - Smiljanić, Sonja
AU  - Grujić, Snežana
PY  - 2021
UR  - https://ritnms.itnms.ac.rs/handle/123456789/798
AB  - Information about the dissolution process and ion release of phosphate glasses in different environments is important for a wide range of engineering applications, from biomaterial design to environmental technologies. The dissolution of glass is a complex phenomenon and the kinetics of this process depend on the glass properties (composition, structure, surface condition, etc.) and environment (the type of solvent, leaching solution volume, pH, temperature, etc.). The dissolution behavior of glass is determined by the reactions of the glass network and the release of different ions to the solution. Surface conditions and layer formation, saturation effects, and solution chemistry must also be taken into account when describing the dissolution processes. Mechanism of chemical reactivity of a polyphosphate glass (45P2O5·3SiO2·25K2O·15CaO·10MgO·1ZnO·1MnO (mol %)) in distilled water, an aqueous solution of 2% citric acid and SBF, under static and non-saturated conditions were presented. The leaching tests were performed with glass powder samples (0.3–0.65 mm) at T=37 °C for times up to 720 h. The mass loss of the samples, the changes of pH, the concentration of elements (P, K, Ca, Mg, Zn, and Mn) in solution, and the initial release rates (r0i) and rate of glass hydrolysis (rhi) were determined. The time dependence of the normalized concentration of ions in solution indicates that the dissolution of examined glass, for all investigated environments, occurs in three stages. For shorter times (stage I), the changes of the normalized concentration of ions in solution were linear with time, corresponding to the highest dissolution rates. During stage II, the changes of the normalized concentration of ions in solution with time were smaller due to lower dissolution rates. In stage III, the changes of the normalized concentration of ions in solution were very small and the dissolution rates were more than ten times lower compared to the initial rates. The initial release rates of cations were determined in the range of 0.17­12.92 g/m2h.  The release rates of cations rhi by hydrolysis were determined in the range of 0.13×10-2-2.31×10-2 g/m2h. The time dependence of the solutions' pH is not the same for all of the three solvents. pH value decreased in the initial stage and then remained constant in distilled water and SBF, while in the aqueous solution of 2% citric acid pH value increased in the initial stage and then remained constant.
PB  - Zvornik : University of East Sarajevo, Faculty of Technology
C3  - VII International Congress ¨Engineering, Environment and Materials in Process Industry¨
T1  - Reactivity of polyphosphate glass in different medium
EP  - 150
SP  - 150
ER  - 

@conference{
author = "Topalović, Vladimir and Nikolić, Jelena and Savić, Veljko and Matijašević, Srđan and Đošić, Marija and Smiljanić, Sonja and Grujić, Snežana",
year = "2021",
abstract = "Information about the dissolution process and ion release of phosphate glasses in different environments is important for a wide range of engineering applications, from biomaterial design to environmental technologies. The dissolution of glass is a complex phenomenon and the kinetics of this process depend on the glass properties (composition, structure, surface condition, etc.) and environment (the type of solvent, leaching solution volume, pH, temperature, etc.). The dissolution behavior of glass is determined by the reactions of the glass network and the release of different ions to the solution. Surface conditions and layer formation, saturation effects, and solution chemistry must also be taken into account when describing the dissolution processes. Mechanism of chemical reactivity of a polyphosphate glass (45P2O5·3SiO2·25K2O·15CaO·10MgO·1ZnO·1MnO (mol %)) in distilled water, an aqueous solution of 2% citric acid and SBF, under static and non-saturated conditions were presented. The leaching tests were performed with glass powder samples (0.3–0.65 mm) at T=37 °C for times up to 720 h. The mass loss of the samples, the changes of pH, the concentration of elements (P, K, Ca, Mg, Zn, and Mn) in solution, and the initial release rates (r0i) and rate of glass hydrolysis (rhi) were determined. The time dependence of the normalized concentration of ions in solution indicates that the dissolution of examined glass, for all investigated environments, occurs in three stages. For shorter times (stage I), the changes of the normalized concentration of ions in solution were linear with time, corresponding to the highest dissolution rates. During stage II, the changes of the normalized concentration of ions in solution with time were smaller due to lower dissolution rates. In stage III, the changes of the normalized concentration of ions in solution were very small and the dissolution rates were more than ten times lower compared to the initial rates. The initial release rates of cations were determined in the range of 0.17­12.92 g/m2h.  The release rates of cations rhi by hydrolysis were determined in the range of 0.13×10-2-2.31×10-2 g/m2h. The time dependence of the solutions' pH is not the same for all of the three solvents. pH value decreased in the initial stage and then remained constant in distilled water and SBF, while in the aqueous solution of 2% citric acid pH value increased in the initial stage and then remained constant.",
publisher = "Zvornik : University of East Sarajevo, Faculty of Technology",
journal = "VII International Congress ¨Engineering, Environment and Materials in Process Industry¨",
title = "Reactivity of polyphosphate glass in different medium",
pages = "150-150"
}

Topalović, V., Nikolić, J., Savić, V., Matijašević, S., Đošić, M., Smiljanić, S.,& Grujić, S.. (2021). Reactivity of polyphosphate glass in different medium. in VII International Congress ¨Engineering, Environment and Materials in Process Industry¨
Zvornik : University of East Sarajevo, Faculty of Technology., 150-150.

Topalović V, Nikolić J, Savić V, Matijašević S, Đošić M, Smiljanić S, Grujić S. Reactivity of polyphosphate glass in different medium. in VII International Congress ¨Engineering, Environment and Materials in Process Industry¨. 2021;:150-150..

Topalović, Vladimir, Nikolić, Jelena, Savić, Veljko, Matijašević, Srđan, Đošić, Marija, Smiljanić, Sonja, Grujić, Snežana, "Reactivity of polyphosphate glass in different medium" in VII International Congress ¨Engineering, Environment and Materials in Process Industry¨ (2021):150-150.

TY  - CONF
AU  - Savić, Veljko
AU  - Matijašević, Srđan
AU  - Topalović, Vladimir
AU  - Nikolić, Jelena
AU  - Smiljanić, Sonja
AU  - Zildžović, Snežana
AU  - Grujić, Snežana
PY  - 2021
UR  - https://ritnms.itnms.ac.rs/handle/123456789/797
AB  - Glass foams were produced from a green beer bottle and sugar beet factory lime (SBFL) as the foaming agent. The sintering temperature was in 750-900 oC range. Porosity and compressive strength were determined. Results showed that glass foam sintered at 750 °C has the best compressive strength and even distribution of pores throughout the volume of the sample. The increase of temperature from 800 to 900 °C compressive strength was improved while porosity has slightly dropped. Pores with diameters greater than 1000 µm were formed due to pore agglomeration. Obtained glass foams have properties comparable to commercial ones and could be used for sound and thermal insulation.
PB  - Belgrade : Society of Physical Chemists of Serbia
C3  - 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry
T1  - Effect of sintering temperature on the compressive strength and microstructure of glass foam made from waste materials
EP  - 433
SP  - 430
ER  - 

@conference{
author = "Savić, Veljko and Matijašević, Srđan and Topalović, Vladimir and Nikolić, Jelena and Smiljanić, Sonja and Zildžović, Snežana and Grujić, Snežana",
year = "2021",
abstract = "Glass foams were produced from a green beer bottle and sugar beet factory lime (SBFL) as the foaming agent. The sintering temperature was in 750-900 oC range. Porosity and compressive strength were determined. Results showed that glass foam sintered at 750 °C has the best compressive strength and even distribution of pores throughout the volume of the sample. The increase of temperature from 800 to 900 °C compressive strength was improved while porosity has slightly dropped. Pores with diameters greater than 1000 µm were formed due to pore agglomeration. Obtained glass foams have properties comparable to commercial ones and could be used for sound and thermal insulation.",
publisher = "Belgrade : Society of Physical Chemists of Serbia",
journal = "15th International Conference on Fundamental and Applied Aspects of Physical Chemistry",
title = "Effect of sintering temperature on the compressive strength and microstructure of glass foam made from waste materials",
pages = "433-430"
}

Savić, V., Matijašević, S., Topalović, V., Nikolić, J., Smiljanić, S., Zildžović, S.,& Grujić, S.. (2021). Effect of sintering temperature on the compressive strength and microstructure of glass foam made from waste materials. in 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry
Belgrade : Society of Physical Chemists of Serbia., 430-433.

Savić V, Matijašević S, Topalović V, Nikolić J, Smiljanić S, Zildžović S, Grujić S. Effect of sintering temperature on the compressive strength and microstructure of glass foam made from waste materials. in 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry. 2021;:430-433..

Savić, Veljko, Matijašević, Srđan, Topalović, Vladimir, Nikolić, Jelena, Smiljanić, Sonja, Zildžović, Snežana, Grujić, Snežana, "Effect of sintering temperature on the compressive strength and microstructure of glass foam made from waste materials" in 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry (2021):430-433.

TY  - PAT
AU  - Nikolić, Jelena
AU  - Grujić, Snežana
AU  - Matijašević, Srđan
AU  - Smiljanić, Sonja
AU  - Savić, Veljko
AU  - Topalović, Vladimir
AU  - Vujošević, Ana
AU  - Popović, Daniela
PY  - 2021
UR  - https://ritnms.itnms.ac.rs/handle/123456789/948
PB  - Beograd : Univerzitet u Beogradu, Tehnološko-metalurški fakultet
T1  - Primena ultra-fosfatnog stakla za ishranu biljaka
T1  - Application of ultra-phosphate glass for plants nutrition
ER  - 

@misc{
author = "Nikolić, Jelena and Grujić, Snežana and Matijašević, Srđan and Smiljanić, Sonja and Savić, Veljko and Topalović, Vladimir and Vujošević, Ana and Popović, Daniela",
year = "2021",
publisher = "Beograd : Univerzitet u Beogradu, Tehnološko-metalurški fakultet",
title = "Primena ultra-fosfatnog stakla za ishranu biljaka, Application of ultra-phosphate glass for plants nutrition"
}

Nikolić, J., Grujić, S., Matijašević, S., Smiljanić, S., Savić, V., Topalović, V., Vujošević, A.,& Popović, D.. (2021). Primena ultra-fosfatnog stakla za ishranu biljaka. 
Beograd : Univerzitet u Beogradu, Tehnološko-metalurški fakultet..

Nikolić J, Grujić S, Matijašević S, Smiljanić S, Savić V, Topalović V, Vujošević A, Popović D. Primena ultra-fosfatnog stakla za ishranu biljaka. 2021;..

Nikolić, Jelena, Grujić, Snežana, Matijašević, Srđan, Smiljanić, Sonja, Savić, Veljko, Topalović, Vladimir, Vujošević, Ana, Popović, Daniela, "Primena ultra-fosfatnog stakla za ishranu biljaka" (2021).

TY  - CONF
AU  - Topalović, Vladimir
AU  - Matijašević, Srđan
AU  - Grujić, Snežana
AU  - Savić, Veljko
AU  - Nikolić, Jelena
AU  - Smiljanić, Sonja
AU  - Zildžović, Snežana
PY  - 2021
UR  - https://ritnms.itnms.ac.rs/handle/123456789/794
AB  - The DTA data collected for 22.5Li2O·10Al2O3∙30GeO2∙37.5P2O5 (mol%) glass sample was reported and discussed. The ease of glass formation has been studied. It was determined that the DTA exothermal temperature peaks revealed the crystallization of LiGe2(PO4)3 and GeO2 phases. The activation energy of crystallization and viscous flow was determined. The value of the Avrami exponent and reduced glass transition temperature indicates that the LiGe2(PO4)3 phase has three-dimensional growth.
PB  - Bor : University of Belgrade, Technical Faculty in Bor
C3  - XIV International Mineral Processing and Recycling Conference-IMPRC 2021
T1  - Thermal properties of lithium germanate phosphate glass studied by DTA
EP  - 256
SP  - 251
ER  - 

@conference{
author = "Topalović, Vladimir and Matijašević, Srđan and Grujić, Snežana and Savić, Veljko and Nikolić, Jelena and Smiljanić, Sonja and Zildžović, Snežana",
year = "2021",
abstract = "The DTA data collected for 22.5Li2O·10Al2O3∙30GeO2∙37.5P2O5 (mol%) glass sample was reported and discussed. The ease of glass formation has been studied. It was determined that the DTA exothermal temperature peaks revealed the crystallization of LiGe2(PO4)3 and GeO2 phases. The activation energy of crystallization and viscous flow was determined. The value of the Avrami exponent and reduced glass transition temperature indicates that the LiGe2(PO4)3 phase has three-dimensional growth.",
publisher = "Bor : University of Belgrade, Technical Faculty in Bor",
journal = "XIV International Mineral Processing and Recycling Conference-IMPRC 2021",
title = "Thermal properties of lithium germanate phosphate glass studied by DTA",
pages = "256-251"
}

Topalović, V., Matijašević, S., Grujić, S., Savić, V., Nikolić, J., Smiljanić, S.,& Zildžović, S.. (2021). Thermal properties of lithium germanate phosphate glass studied by DTA. in XIV International Mineral Processing and Recycling Conference-IMPRC 2021
Bor : University of Belgrade, Technical Faculty in Bor., 251-256.

Topalović V, Matijašević S, Grujić S, Savić V, Nikolić J, Smiljanić S, Zildžović S. Thermal properties of lithium germanate phosphate glass studied by DTA. in XIV International Mineral Processing and Recycling Conference-IMPRC 2021. 2021;:251-256..

Topalović, Vladimir, Matijašević, Srđan, Grujić, Snežana, Savić, Veljko, Nikolić, Jelena, Smiljanić, Sonja, Zildžović, Snežana, "Thermal properties of lithium germanate phosphate glass studied by DTA" in XIV International Mineral Processing and Recycling Conference-IMPRC 2021 (2021):251-256.

TY  - JOUR
AU  - Savić, Veljko
AU  - Topalović, Vladimir
AU  - Matijašević, Srđan
AU  - Nikolić, Jelena
AU  - Grujić, Snežana
AU  - Zildžović, Snežana
AU  - Radulović, Aleksandra
PY  - 2021
UR  - https://ritnms.itnms.ac.rs/handle/123456789/597
AB  - In this study, the glass-composite was prepared using glass cullet and waste foundry sand as raw materials. The powder technology route was employed. The mixtures containing 10-50 wt% of the sand were sintered at T = 750 degrees C for t =1h. XRD and DTA analyses were performed. The chemical durability of the resulting glass-composite was determined by leaching test in HCl, H2SO4, NaOH and distilled water at T = 95 degrees C for t =1h. It was shown that the sintering process carried out without the crystallization of the glass matrix. The lowest chemical durability was determined in alkali solution of glasscomposite.
PB  - Savez inženjera metalurgije Srbije, Beograd
T2  - Metallurgical & Materials Engineering
T1  - Chemical durability of sintered glass-composite prepared from glass cullet and waste foundry sand
EP  - 113
IS  - 1
SP  - 105
VL  - 27
DO  - 10.30544/477
UR  - conv_906
ER  - 

@article{
author = "Savić, Veljko and Topalović, Vladimir and Matijašević, Srđan and Nikolić, Jelena and Grujić, Snežana and Zildžović, Snežana and Radulović, Aleksandra",
year = "2021",
abstract = "In this study, the glass-composite was prepared using glass cullet and waste foundry sand as raw materials. The powder technology route was employed. The mixtures containing 10-50 wt% of the sand were sintered at T = 750 degrees C for t =1h. XRD and DTA analyses were performed. The chemical durability of the resulting glass-composite was determined by leaching test in HCl, H2SO4, NaOH and distilled water at T = 95 degrees C for t =1h. It was shown that the sintering process carried out without the crystallization of the glass matrix. The lowest chemical durability was determined in alkali solution of glasscomposite.",
publisher = "Savez inženjera metalurgije Srbije, Beograd",
journal = "Metallurgical & Materials Engineering",
title = "Chemical durability of sintered glass-composite prepared from glass cullet and waste foundry sand",
pages = "113-105",
number = "1",
volume = "27",
doi = "10.30544/477",
url = "conv_906"
}

Savić, V., Topalović, V., Matijašević, S., Nikolić, J., Grujić, S., Zildžović, S.,& Radulović, A.. (2021). Chemical durability of sintered glass-composite prepared from glass cullet and waste foundry sand. in Metallurgical & Materials Engineering
Savez inženjera metalurgije Srbije, Beograd., 27(1), 105-113.
https://doi.org/10.30544/477
conv_906

Savić V, Topalović V, Matijašević S, Nikolić J, Grujić S, Zildžović S, Radulović A. Chemical durability of sintered glass-composite prepared from glass cullet and waste foundry sand. in Metallurgical & Materials Engineering. 2021;27(1):105-113.
doi:10.30544/477
conv_906 .

Savić, Veljko, Topalović, Vladimir, Matijašević, Srđan, Nikolić, Jelena, Grujić, Snežana, Zildžović, Snežana, Radulović, Aleksandra, "Chemical durability of sintered glass-composite prepared from glass cullet and waste foundry sand" in Metallurgical & Materials Engineering, 27, no. 1 (2021):105-113,
https://doi.org/10.30544/477 .,
conv_906 .

TY  - JOUR
AU  - Matijašević, Srđan
AU  - Topalović, Vladimir
AU  - Grujić, Snežana R.
AU  - Savić, Veljko
AU  - Nikolić, Jelena
AU  - Labus, Nebojša
AU  - Zildžović, Snežana
PY  - 2021
UR  - https://ritnms.itnms.ac.rs/handle/123456789/576
AB  - The selected lithium germanium-phosphate glass was prepared by a conventional melt-quenching technique. The XRD method was employed to confirm the glass was obtained and to reveal crystalline phases during heat treatment. The dilatometry (DIL), differential thermal analysis (DTA), and differential scanning calorimetry (DSC) were used to determine the characteristic temperatures and enthalpies of crystallization and melting of the crystalline phase. The DTA and DIL were used to obtain the viscosity curves by applying the VogelFulcher-Tammann (VFT) equation.
PB  - Međunarodni Institut za nauku o sinterovanju, Beograd
T2  - Science of Sintering
T1  - The Thermophysical Properties of Primary Phase in Lithium Germanium Phosphate Glass
EP  - 310
IS  - 3
SP  - 301
VL  - 53
DO  - 10.2298/SOS2103301M
UR  - conv_926
ER  - 

@article{
author = "Matijašević, Srđan and Topalović, Vladimir and Grujić, Snežana R. and Savić, Veljko and Nikolić, Jelena and Labus, Nebojša and Zildžović, Snežana",
year = "2021",
abstract = "The selected lithium germanium-phosphate glass was prepared by a conventional melt-quenching technique. The XRD method was employed to confirm the glass was obtained and to reveal crystalline phases during heat treatment. The dilatometry (DIL), differential thermal analysis (DTA), and differential scanning calorimetry (DSC) were used to determine the characteristic temperatures and enthalpies of crystallization and melting of the crystalline phase. The DTA and DIL were used to obtain the viscosity curves by applying the VogelFulcher-Tammann (VFT) equation.",
publisher = "Međunarodni Institut za nauku o sinterovanju, Beograd",
journal = "Science of Sintering",
title = "The Thermophysical Properties of Primary Phase in Lithium Germanium Phosphate Glass",
pages = "310-301",
number = "3",
volume = "53",
doi = "10.2298/SOS2103301M",
url = "conv_926"
}

Matijašević, S., Topalović, V., Grujić, S. R., Savić, V., Nikolić, J., Labus, N.,& Zildžović, S.. (2021). The Thermophysical Properties of Primary Phase in Lithium Germanium Phosphate Glass. in Science of Sintering
Međunarodni Institut za nauku o sinterovanju, Beograd., 53(3), 301-310.
https://doi.org/10.2298/SOS2103301M
conv_926

Matijašević S, Topalović V, Grujić SR, Savić V, Nikolić J, Labus N, Zildžović S. The Thermophysical Properties of Primary Phase in Lithium Germanium Phosphate Glass. in Science of Sintering. 2021;53(3):301-310.
doi:10.2298/SOS2103301M
conv_926 .

Matijašević, Srđan, Topalović, Vladimir, Grujić, Snežana R., Savić, Veljko, Nikolić, Jelena, Labus, Nebojša, Zildžović, Snežana, "The Thermophysical Properties of Primary Phase in Lithium Germanium Phosphate Glass" in Science of Sintering, 53, no. 3 (2021):301-310,
https://doi.org/10.2298/SOS2103301M .,
conv_926 .

TY  - CONF
AU  - Topalović, Vladimir
AU  - Matijašević, Srđan
AU  - Nikolić, Jelena
AU  - Đošić, Marija
AU  - Savić, Veljko
AU  - Smiljanić, Sonja
AU  - Grujić, Snežana
PY  - 2019
UR  - https://ritnms.itnms.ac.rs/handle/123456789/803
AB  - Due to their potential bioactive properties, different types of phosphate based glasses have been considered for bone tissue engineering and drug delivery applications. In this experiment, four different compositions of glasses (42P2O5·40CaO·5SrO·10Na2O·3TiO2 , 46P2O5·40CaO·SrO·10Na2O·3TiO2 , 42P2O5·40CaO·5La2O3·10Na2O·3TiO2 , and 46P2O5·40CaO·La2O3·10Na2O·3TiO2 (mol%)) were obtained by standard melt-quenching method. The crystallization and sintering behavior of glasses have been studied by using DTA, HSM and XRD methods. For all of the glass compositions the sintered phosphate glass-ceramic samples contained certain bioactive phases (α-Ca3(PO4)2, β-Ca3(PO4)2, β-Ca2P2O7,β-CaP2O6). Based on the glass properties, the use of these glasses in obtaining the bioactive glass scaffolds with a suitable interconnected porous structure is achievable. Bioactive scaffolds have potential to aid the bone regeneration process by giving cell a temporary template to grow into, provoking bone cell activity. Also, glasses with stable uniform porous structure and high surface area can be used as porous carriers for controlled drug delivery.
PB  - Belgrade : Serbian Ceramic Society
C3  - ADVANCED CERAMICS AND APPLICATION VIII New Frontiers in Multifunctional Material Science and Processing
T1  - Characterization of different bioactive phosphate glasses
EP  - 60
SP  - 60
ER  - 

@conference{
author = "Topalović, Vladimir and Matijašević, Srđan and Nikolić, Jelena and Đošić, Marija and Savić, Veljko and Smiljanić, Sonja and Grujić, Snežana",
year = "2019",
abstract = "Due to their potential bioactive properties, different types of phosphate based glasses have been considered for bone tissue engineering and drug delivery applications. In this experiment, four different compositions of glasses (42P2O5·40CaO·5SrO·10Na2O·3TiO2 , 46P2O5·40CaO·SrO·10Na2O·3TiO2 , 42P2O5·40CaO·5La2O3·10Na2O·3TiO2 , and 46P2O5·40CaO·La2O3·10Na2O·3TiO2 (mol%)) were obtained by standard melt-quenching method. The crystallization and sintering behavior of glasses have been studied by using DTA, HSM and XRD methods. For all of the glass compositions the sintered phosphate glass-ceramic samples contained certain bioactive phases (α-Ca3(PO4)2, β-Ca3(PO4)2, β-Ca2P2O7,β-CaP2O6). Based on the glass properties, the use of these glasses in obtaining the bioactive glass scaffolds with a suitable interconnected porous structure is achievable. Bioactive scaffolds have potential to aid the bone regeneration process by giving cell a temporary template to grow into, provoking bone cell activity. Also, glasses with stable uniform porous structure and high surface area can be used as porous carriers for controlled drug delivery.",
publisher = "Belgrade : Serbian Ceramic Society",
journal = "ADVANCED CERAMICS AND APPLICATION VIII New Frontiers in Multifunctional Material Science and Processing",
title = "Characterization of different bioactive phosphate glasses",
pages = "60-60"
}

Topalović, V., Matijašević, S., Nikolić, J., Đošić, M., Savić, V., Smiljanić, S.,& Grujić, S.. (2019). Characterization of different bioactive phosphate glasses. in ADVANCED CERAMICS AND APPLICATION VIII New Frontiers in Multifunctional Material Science and Processing
Belgrade : Serbian Ceramic Society., 60-60.

Topalović V, Matijašević S, Nikolić J, Đošić M, Savić V, Smiljanić S, Grujić S. Characterization of different bioactive phosphate glasses. in ADVANCED CERAMICS AND APPLICATION VIII New Frontiers in Multifunctional Material Science and Processing. 2019;:60-60..

Topalović, Vladimir, Matijašević, Srđan, Nikolić, Jelena, Đošić, Marija, Savić, Veljko, Smiljanić, Sonja, Grujić, Snežana, "Characterization of different bioactive phosphate glasses" in ADVANCED CERAMICS AND APPLICATION VIII New Frontiers in Multifunctional Material Science and Processing (2019):60-60.

TY  - CONF
AU  - Savić, Veljko
AU  - Topalović, Vladimir
AU  - Matijašević, Srđan
AU  - Nikolić, Jelena
AU  - Zildžović, Snežana
AU  - Smiljanić, Sonja
AU  - Grujić, Snežana
PY  - 2019
UR  - https://ritnms.itnms.ac.rs/handle/123456789/796
AB  - The results of laboratory scale experiments of vitrification of fly ash collected from the coal fired power plant are presented. The final glassy material was obtained by melting a mixture of ash and limestone at T= 1450 oC and quenching the melt in air. To convert the waste into useful and environmentally acceptable material the crystallization of fly ash glass was performed by powder route processing. The properties of the resultant glass-ceramic indicate a potential various application such as building materials, ceramics tiles, etc.
PB  - Bor : University of Belgrade, Technical Faculty in Bor
C3  - XIII International Mineral Processing and Recycling Conference-IMPRC
T1  - Production of glass-ceramics from coal fly ash and limestone
EP  - 140
SP  - 135
ER  - 

@conference{
author = "Savić, Veljko and Topalović, Vladimir and Matijašević, Srđan and Nikolić, Jelena and Zildžović, Snežana and Smiljanić, Sonja and Grujić, Snežana",
year = "2019",
abstract = "The results of laboratory scale experiments of vitrification of fly ash collected from the coal fired power plant are presented. The final glassy material was obtained by melting a mixture of ash and limestone at T= 1450 oC and quenching the melt in air. To convert the waste into useful and environmentally acceptable material the crystallization of fly ash glass was performed by powder route processing. The properties of the resultant glass-ceramic indicate a potential various application such as building materials, ceramics tiles, etc.",
publisher = "Bor : University of Belgrade, Technical Faculty in Bor",
journal = "XIII International Mineral Processing and Recycling Conference-IMPRC",
title = "Production of glass-ceramics from coal fly ash and limestone",
pages = "140-135"
}

Savić, V., Topalović, V., Matijašević, S., Nikolić, J., Zildžović, S., Smiljanić, S.,& Grujić, S.. (2019). Production of glass-ceramics from coal fly ash and limestone. in XIII International Mineral Processing and Recycling Conference-IMPRC
Bor : University of Belgrade, Technical Faculty in Bor., 135-140.

Savić V, Topalović V, Matijašević S, Nikolić J, Zildžović S, Smiljanić S, Grujić S. Production of glass-ceramics from coal fly ash and limestone. in XIII International Mineral Processing and Recycling Conference-IMPRC. 2019;:135-140..

Savić, Veljko, Topalović, Vladimir, Matijašević, Srđan, Nikolić, Jelena, Zildžović, Snežana, Smiljanić, Sonja, Grujić, Snežana, "Production of glass-ceramics from coal fly ash and limestone" in XIII International Mineral Processing and Recycling Conference-IMPRC (2019):135-140.

TY  - CONF
AU  - Savić, Veljko
AU  - Matijašević, Srđan
AU  - Topalović, Vladimir
AU  - Smiljanić, Sonja
AU  - Nikolić, Jelena
AU  - Zildžović, Snežana
AU  - Grujić, Snežana
PY  - 2019
UR  - https://ritnms.itnms.ac.rs/handle/123456789/790
AB  - Copper mine tailings is one of the most used secondary raw materials. The most common use is in cement industry and as filler in road construction. The area of secondary raw materials utilization offering the greatest potential is in the development of glass-ceramic compositions, where the waste is melted to form a glass, fabricated using conventional glass forming techniques, and subsequently nucleated and devitrified in a controlled manner through heat treatment. The resultant, partially crystallized material offers improved strength, chemical and abrasion resistance. Copper mine tailings was mixed with 30% glass cullets and melted in electric furnace BLF 17/3 at T=1450 °C during t=0.5 h. The obtained glass sample was black, without visible residual gas bubbles. X-ray powder diffraction (XRD) analysis confirmed the quenched melt to be amorphous. DTA and HSM analysis was performed on the previously prepared glass powder. The glass powder samples were pressed in pellets and sintered in an electric furnace at the temperature of 1040 °C for 2h and a glass- ceramics was obtained. Applications for these glass-ceramic materials would include structural products, pipe or pipeliners to transport abrasive or corrosive fluids, alkali-resistant fibers to replace asbestos in concrete products, and use as a matrix material in which radioactive wastes could be chemically incorporated in a stable, nonleachable, solid form.
PB  - Belgrade : Association of Metallurgical Engineers of Serbia
C3  - 4th Metallurgical & Materials Engineering Congress of South-East Europe MME SEE 2019
T1  - Glass-ceramics obtained from copper mine tailings and glass cullets
EP  - 33
SP  - 33
ER  - 

@conference{
author = "Savić, Veljko and Matijašević, Srđan and Topalović, Vladimir and Smiljanić, Sonja and Nikolić, Jelena and Zildžović, Snežana and Grujić, Snežana",
year = "2019",
abstract = "Copper mine tailings is one of the most used secondary raw materials. The most common use is in cement industry and as filler in road construction. The area of secondary raw materials utilization offering the greatest potential is in the development of glass-ceramic compositions, where the waste is melted to form a glass, fabricated using conventional glass forming techniques, and subsequently nucleated and devitrified in a controlled manner through heat treatment. The resultant, partially crystallized material offers improved strength, chemical and abrasion resistance. Copper mine tailings was mixed with 30% glass cullets and melted in electric furnace BLF 17/3 at T=1450 °C during t=0.5 h. The obtained glass sample was black, without visible residual gas bubbles. X-ray powder diffraction (XRD) analysis confirmed the quenched melt to be amorphous. DTA and HSM analysis was performed on the previously prepared glass powder. The glass powder samples were pressed in pellets and sintered in an electric furnace at the temperature of 1040 °C for 2h and a glass- ceramics was obtained. Applications for these glass-ceramic materials would include structural products, pipe or pipeliners to transport abrasive or corrosive fluids, alkali-resistant fibers to replace asbestos in concrete products, and use as a matrix material in which radioactive wastes could be chemically incorporated in a stable, nonleachable, solid form.",
publisher = "Belgrade : Association of Metallurgical Engineers of Serbia",
journal = "4th Metallurgical & Materials Engineering Congress of South-East Europe MME SEE 2019",
title = "Glass-ceramics obtained from copper mine tailings and glass cullets",
pages = "33-33"
}

Savić, V., Matijašević, S., Topalović, V., Smiljanić, S., Nikolić, J., Zildžović, S.,& Grujić, S.. (2019). Glass-ceramics obtained from copper mine tailings and glass cullets. in 4th Metallurgical & Materials Engineering Congress of South-East Europe MME SEE 2019
Belgrade : Association of Metallurgical Engineers of Serbia., 33-33.

Savić V, Matijašević S, Topalović V, Smiljanić S, Nikolić J, Zildžović S, Grujić S. Glass-ceramics obtained from copper mine tailings and glass cullets. in 4th Metallurgical & Materials Engineering Congress of South-East Europe MME SEE 2019. 2019;:33-33..

Savić, Veljko, Matijašević, Srđan, Topalović, Vladimir, Smiljanić, Sonja, Nikolić, Jelena, Zildžović, Snežana, Grujić, Snežana, "Glass-ceramics obtained from copper mine tailings and glass cullets" in 4th Metallurgical & Materials Engineering Congress of South-East Europe MME SEE 2019 (2019):33-33.

TY  - CONF
AU  - Topalović, Vladimir
AU  - Matijašević, Srđan
AU  - Đošić, Marija
AU  - Nikolić, Jelena
AU  - Savić, Veljko
AU  - Smiljanić, Sonja
AU  - Grujić, Snežana
PY  - 2019
UR  - https://ritnms.itnms.ac.rs/handle/123456789/782
AB  - In this paper crystallization of glass 42P2O5·40CaO·5SrO·10Na2O·3TiO2 (mol %) was studied. The glass was prepared by the standard melt-quenching method. The experiments were performed under non-isothermal conditions using the XRD and DTA methods. It was determined that the surface and volume crystallization mechanism act simultaneously in bulk glass samples. The sintered calcium phosphate glass-ceramic which contains bioactive  β-Ca3(PO4)2 and β-Ca2P2O7 phases was prepared. From the experimental data an activation energy of crystal growth is calculated Ea=126.61±2.39 KJ / mol.
PB  - Bor : University of Belgrade, Technical Faculty in Bor
C3  - 51th International October Conference on Mining and Metalurgy-IOCMM 2019
T1  - The Crystallization of Glass Samples from the System P2O5-CaO-SrO-Na2O-TiO2
EP  - 314
SP  - 311
ER  - 

@conference{
author = "Topalović, Vladimir and Matijašević, Srđan and Đošić, Marija and Nikolić, Jelena and Savić, Veljko and Smiljanić, Sonja and Grujić, Snežana",
year = "2019",
abstract = "In this paper crystallization of glass 42P2O5·40CaO·5SrO·10Na2O·3TiO2 (mol %) was studied. The glass was prepared by the standard melt-quenching method. The experiments were performed under non-isothermal conditions using the XRD and DTA methods. It was determined that the surface and volume crystallization mechanism act simultaneously in bulk glass samples. The sintered calcium phosphate glass-ceramic which contains bioactive  β-Ca3(PO4)2 and β-Ca2P2O7 phases was prepared. From the experimental data an activation energy of crystal growth is calculated Ea=126.61±2.39 KJ / mol.",
publisher = "Bor : University of Belgrade, Technical Faculty in Bor",
journal = "51th International October Conference on Mining and Metalurgy-IOCMM 2019",
title = "The Crystallization of Glass Samples from the System P2O5-CaO-SrO-Na2O-TiO2",
pages = "314-311"
}

Topalović, V., Matijašević, S., Đošić, M., Nikolić, J., Savić, V., Smiljanić, S.,& Grujić, S.. (2019). The Crystallization of Glass Samples from the System P2O5-CaO-SrO-Na2O-TiO2. in 51th International October Conference on Mining and Metalurgy-IOCMM 2019
Bor : University of Belgrade, Technical Faculty in Bor., 311-314.

Topalović V, Matijašević S, Đošić M, Nikolić J, Savić V, Smiljanić S, Grujić S. The Crystallization of Glass Samples from the System P2O5-CaO-SrO-Na2O-TiO2. in 51th International October Conference on Mining and Metalurgy-IOCMM 2019. 2019;:311-314..

Topalović, Vladimir, Matijašević, Srđan, Đošić, Marija, Nikolić, Jelena, Savić, Veljko, Smiljanić, Sonja, Grujić, Snežana, "The Crystallization of Glass Samples from the System P2O5-CaO-SrO-Na2O-TiO2" in 51th International October Conference on Mining and Metalurgy-IOCMM 2019 (2019):311-314.