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HomeKey Engineering MaterialsKey Engineering Materials Vol. 631Combustion Synthesis of 58S Bioglass Using Sol-Gel...

Combustion Synthesis of 58S Bioglass Using Sol-Gel Self-Propagating Combustion Method

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Abstract:

In this work, attention was paid to the understanding of the chemical modifications occurring in xerogeis of 58S bioglass (60% mol SiO₂; 36%mol CaO; 4%mol P₂O₅), during the 58S bioglass synthesis, prepared by the sol-gel (SG) and sol-gel self-propagating combustion (SGSPC) methods using citric acid as reductant/fuel. The chemical modifications of the xerogels were evaluated in the temperature range 70-920°C. Characteristic functional groups were evidenced by Fourier transform infrared spectroscopy (FTIR), and the thermal behaviour was evidenced by thermal gravimetric (TG) and differential thermal (DSC) analysis, the transition from glass to glass ceramic was also followed by X-ray diffraction.

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Bioceramics 26

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Periodical:

Key Engineering Materials (Volume 631)

Pages:

36-42

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.631.36

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Online since:

November 2014

Authors:

Celso Aparecido Bertran*, Otto V.M. Bueno

Keywords:

58S, Bioglass, Citric Acid, Combustion, Sol-Gel

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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