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http://dx.doi.org/10.5806/AST.2012.25.1.003

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

Chun, Kyung-Soo (Department of Chemistry, Kyungwon University)
Publication Information
Analytical Science and Technology / v.25, no.1, 2012 , pp. 3-6 More about this Journal
Abstract
$xZrO_2-(1-x)SiO_2$ 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 $1,100^{\circ}C$ 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 $600^{\circ}C$, and the crystalline phase was considerably increased at $850^{\circ}C$ or higher. With increasing the thermal treatment temperature, the characteristic peaks, such as baddelyite, tetragonal-$ZrO_2$ and zircon, was shown at $35^{\circ}$, $50^{\circ}$ and $60^{\circ}$ of $2{\theta}$.
Keywords
sol-gel method; $ZrO_2$-$SiO_2$; glass precursor; heat treatment; crystalline structure;
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