Bioactive glass-ceramics prepared by powder sintering and crystallization of polyphosphate glass containing strontium
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Topalović, Vladimir
Grujić, Snežana R.
Živanović, Vladimir D.
Matijašević, Srđan

Nikolić, Jelena

Stojanović, Jovica

Smiljanić, Sonja

Article (Published version)

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Melt-quenching method was employed for obtaining a glass-ceramic with the following composition 42P(2)O(5). 40CaO.5SrO.10Na(2)O.3TiO(2) (mol%) glass. The crystallization and sintering behavior of glass have been studied by using DTA, HSM, XRD, FTIR and SEM methods. It was determined that the surface and volume crystallization mechanisms act simultaneously in bulk glass samples. The comparison of DTA and HSM data revealed that the sintering and crystallization processes are independent. The sintered calcium phosphate glass ceramic which contained bioactive beta-Ca-3(PO4)(2) and beta-Ca2P2O7 phases was successfully prepared. It was determined that during crystallization the primary phase in the precipitate was beta-Ca(PO3)(2). Other phases appearing in the resulting glass-ceramic were: alpha-Ca2P2O7, gamma-Ca2PO7, Ca4P6O19 and CaHPO4(H2O)(2). Crystalline phases containing Sr and Ti were not detected. SEM analysis of the glass-ceramic microstructure revealed surface crystallization of gla...ss particles and plate-like morphology of crystal growth. The result of the in vitro bioactivity showed that no apatite layer was formed on the surface of the as-prepared glass-ceramic samples after immersion in the simulated body fluid (SBF).
Keywords:
Polyphosphate glass / Glass powder sintering / Bioactive glass-ceramics / beta-Ca-3(PO4)(2) / beta-Ca2P2O7Source:
Ceramics International, 2017, 43, 15, 12061-12069Publisher:
- Elsevier Sci Ltd, Oxford
Funding / projects:
- The development of glasses with controlled ions release for application in agriculture and medicine (RS-34001)
- Phenomena and processes of the synthesis of new glassy and nano-structured glass-ceramics materials (RS-172004)
DOI: 10.1016/j.ceramint.2017.06.061
ISSN: 0272-8842
WoS: 000408287900067
Scopus: 2-s2.0-85021159663
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Institut za tehnologiju nuklearnih i drugih mineralnih sirovinaTY - JOUR AU - Topalović, Vladimir AU - Grujić, Snežana R. AU - Živanović, Vladimir D. AU - Matijašević, Srđan AU - Nikolić, Jelena AU - Stojanović, Jovica AU - Smiljanić, Sonja PY - 2017 UR - https://ritnms.itnms.ac.rs/handle/123456789/437 AB - Melt-quenching method was employed for obtaining a glass-ceramic with the following composition 42P(2)O(5). 40CaO.5SrO.10Na(2)O.3TiO(2) (mol%) glass. The crystallization and sintering behavior of glass have been studied by using DTA, HSM, XRD, FTIR and SEM methods. It was determined that the surface and volume crystallization mechanisms act simultaneously in bulk glass samples. The comparison of DTA and HSM data revealed that the sintering and crystallization processes are independent. The sintered calcium phosphate glass ceramic which contained bioactive beta-Ca-3(PO4)(2) and beta-Ca2P2O7 phases was successfully prepared. It was determined that during crystallization the primary phase in the precipitate was beta-Ca(PO3)(2). Other phases appearing in the resulting glass-ceramic were: alpha-Ca2P2O7, gamma-Ca2PO7, Ca4P6O19 and CaHPO4(H2O)(2). Crystalline phases containing Sr and Ti were not detected. SEM analysis of the glass-ceramic microstructure revealed surface crystallization of glass particles and plate-like morphology of crystal growth. The result of the in vitro bioactivity showed that no apatite layer was formed on the surface of the as-prepared glass-ceramic samples after immersion in the simulated body fluid (SBF). PB - Elsevier Sci Ltd, Oxford T2 - Ceramics International T1 - Bioactive glass-ceramics prepared by powder sintering and crystallization of polyphosphate glass containing strontium EP - 12069 IS - 15 SP - 12061 VL - 43 DO - 10.1016/j.ceramint.2017.06.061 UR - conv_803 ER -
@article{ author = "Topalović, Vladimir and Grujić, Snežana R. and Živanović, Vladimir D. and Matijašević, Srđan and Nikolić, Jelena and Stojanović, Jovica and Smiljanić, Sonja", year = "2017", abstract = "Melt-quenching method was employed for obtaining a glass-ceramic with the following composition 42P(2)O(5). 40CaO.5SrO.10Na(2)O.3TiO(2) (mol%) glass. The crystallization and sintering behavior of glass have been studied by using DTA, HSM, XRD, FTIR and SEM methods. It was determined that the surface and volume crystallization mechanisms act simultaneously in bulk glass samples. The comparison of DTA and HSM data revealed that the sintering and crystallization processes are independent. The sintered calcium phosphate glass ceramic which contained bioactive beta-Ca-3(PO4)(2) and beta-Ca2P2O7 phases was successfully prepared. It was determined that during crystallization the primary phase in the precipitate was beta-Ca(PO3)(2). Other phases appearing in the resulting glass-ceramic were: alpha-Ca2P2O7, gamma-Ca2PO7, Ca4P6O19 and CaHPO4(H2O)(2). Crystalline phases containing Sr and Ti were not detected. SEM analysis of the glass-ceramic microstructure revealed surface crystallization of glass particles and plate-like morphology of crystal growth. The result of the in vitro bioactivity showed that no apatite layer was formed on the surface of the as-prepared glass-ceramic samples after immersion in the simulated body fluid (SBF).", publisher = "Elsevier Sci Ltd, Oxford", journal = "Ceramics International", title = "Bioactive glass-ceramics prepared by powder sintering and crystallization of polyphosphate glass containing strontium", pages = "12069-12061", number = "15", volume = "43", doi = "10.1016/j.ceramint.2017.06.061", url = "conv_803" }
Topalović, V., Grujić, S. R., Živanović, V. D., Matijašević, S., Nikolić, J., Stojanović, J.,& Smiljanić, S.. (2017). Bioactive glass-ceramics prepared by powder sintering and crystallization of polyphosphate glass containing strontium. in Ceramics International Elsevier Sci Ltd, Oxford., 43(15), 12061-12069. https://doi.org/10.1016/j.ceramint.2017.06.061 conv_803
Topalović V, Grujić SR, Živanović VD, Matijašević S, Nikolić J, Stojanović J, Smiljanić S. Bioactive glass-ceramics prepared by powder sintering and crystallization of polyphosphate glass containing strontium. in Ceramics International. 2017;43(15):12061-12069. doi:10.1016/j.ceramint.2017.06.061 conv_803 .
Topalović, Vladimir, Grujić, Snežana R., Živanović, Vladimir D., Matijašević, Srđan, Nikolić, Jelena, Stojanović, Jovica, Smiljanić, Sonja, "Bioactive glass-ceramics prepared by powder sintering and crystallization of polyphosphate glass containing strontium" in Ceramics International, 43, no. 15 (2017):12061-12069, https://doi.org/10.1016/j.ceramint.2017.06.061 ., conv_803 .
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