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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

Influence analysis of heat treatment on crystalline structure of ZrO2-SiO2 glass precursor synthesized by sol-gel method

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2012, v.25 no.1, pp.3-6
https://doi.org/10.5806/AST.2012.25.1.003

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Abstract

xZrO2-(1-x)SiO2 glass precursor with relatively high concentration of zirconium propoxide in metal alkoxide solution was obtained by sol-gel method and then heated at various temperature from 500 to 1,100oC to investigate the effect of the thermal treatment on the crystalline structure of the glass precursor. Based on X-ray diffraction analysis, the crystalline peak was started to develop at temperature higher than 600oC, and the crystalline phase was considerably increased at 850oC or higher. With increasing the thermal treatment temperature, the characteristic peaks, such as baddelyite, tetragonal-ZrO2 and zircon, was shown at 35o, 50o and 60o of 2θ.

keywords
sol-gel method, <TEX>$ZrO_2$</TEX>-<TEX>$SiO_2$</TEX>, glass precursor, heat treatment, crystalline structure


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