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The effect of K2O on the crystallization of niobium germanate glasses
(Međunarodni Institut za nauku o sinterovanju, Beograd, 2011)
Ispitan je uticaj sadržaja K2O na kristalizaciju niobijum germanatnih stakala sa 22,7-24,27 mas % GeO2 i 54,59-57,48 mas % Nb2O5. Ova stakla kristališu primarnom kristalizacijom i stvaraju se kristalne faze K6Nb6Ge4O26, ...
Structure and Microstructure Characterization of the La2SrB10O19 Glass-ceramics
(Međunarodni Institut za nauku o sinterovanju, Beograd, 2019)
The crystal structure of new lanthanum strontium borate glass-ceramics was refined by the Rietveld method. The results showed that La2SrB10O19 has the monoclinic crystal structure, space group C2 (No. 5) with a = 11.1170(6), ...
Non-Isothermal Crystallization of Lithium Germanophosphate Glass Studied by Different Kinetic Methods
(Međunarodni Institut za nauku o sinterovanju, Beograd, 2018)
Crystallization kinetics of 22.5Li(2)O center dot 10Al(2)O(3)center dot 30GeO(2)center dot 37.5P(2)O(5) (mol%) glass was studied under non-isothermal condition using the differential thermal analysis (DTA). The study was ...
Microstructural and Electrical Properties of Cordierite-based Ceramics Obtained After Two-step Sintering Technique
(Međunarodni Institut za nauku o sinterovanju, Beograd, 2016)
Cordierite-based ceramic materials are attracting much interest for their various applications in industry, for manufacturing multilayer circuit boards, catalytic converters, filters, thermal insulation, kiln furniture, ...
Crystallization kinetics of K2O·TiO2·3GeO2 glass studied by DTA
(Međunarodni Institut za nauku o sinterovanju, Beograd, 2008)
Kinetika kristalizacije K2O·TiO2·3GeO2 stakla je proučavana primenom diferencijalno termijske analize (DTA). Eksperimenti su izvedeni na uzorcima stakla granulacije LT 0,037mm koji su zagrevani različitim brzinama u ...
Influence of mechanical activation on elelctrical properties of cordierite ceramics
(Međunarodni Institut za nauku o sinterovanju, Beograd, 2008)
Cilj ovog istraživanja je bio da ispita moguće korelacije funkcionalnih svojstava kordijeritne keramike u funkciji od pripreme polazne smeše. Trokomponentni sistem sastava MgO+Al2O3+SiO2 u odnosu 2:2:5 je pripremljen sa ...
Effect of Delamination on Physico-Chemical Properties of Kaolin
(Međunarodni Institut za nauku o sinterovanju, Beograd, 2021)
To provide the quality required for its use, raw kaolin must be subjected to certain processing procedures like delamination which is applied to the layered structure materials. The aim of this research is to determine the ...
Thermally Induced Phase Transformation of Mn - LTA and Mn-FAU Zeolite to Anorthite Phases
(Međunarodni Institut za nauku o sinterovanju, Beograd, 2021)
Data on thermally induced transformations of Mn exchanged zeolites LTA and FAU topology are presented in this paper. Thermally induced phase transformation of Mn-exchange zeolites are followed in the range from 700 to 1300 ...
Oxide Powder Mixture with Poly-vinyl Alcohol (PVA) and added Polyethylene Glycol (PEG) as Plasticizer
(Belgrade : Association for ETRAN Society, 2023)
Powder mixture consisted of ZnO, Mn2O3 (MnCO3) and Fe2O3 blended powders, was found laminating during compaction. Polyvinyl alcohol (PVA) and a combination of PVA with polyethylene glycol (PEG) added as a plasticizer, were ...
Fourier-Transform Infrared Spectroscopy Analysis of Mechanochemical Transformation Kinetics of Sodium Carbonate to Bicarbonate
(Međunarodni Institut za nauku o sinterovanju, Beograd, 2022)
During mechanical activation, qualitative changes that can produce various phenomena occur in the material. In this study, anhydrous sodium carbonate was mechanically activated for 2, 7, 14, and 28 minutes in a vibro mill ...