Thermal properties and stability of lithium titanophosphate glasses

被引：0
|
作者：
P. Mošner
K. Vosejpková
L. Koudelka
机构：
[1] University of Pardubice,Department of General and Inorganic Chemistry, Faculty of Chemical Technology
来源：
Journal of Thermal Analysis and Calorimetry | 2009年 / 95卷
关键词：
phosphate glasses; thermal properties; thermal stability; titanium oxide;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
DTA was used to study thermal properties and thermal stability of (50-x)Li2O-xTiO2-50P2O5 (x=0–10 mol%) and 45Li2Ot-yTiO2-(55-y)P2O5 (y=5–20 mol%) glasses. The addition of TiO2 to lithium phosphate glasses results in a non-linear increase of glass transition temperature. All prepared glasses crystallize under heating within the temperature range of 400–540°C. The lowest tendency towards crystallization have the glasses with x=7.5 and y=10 mol% TiO2. X-ray diffraction analysis showed that major compounds formed by annealing of the glasses were LiPO3, Li4 P2O7, TiP2O7 and NASICON-type LiTi2(PO4)3. DTA results also indicated that the maximum of nucleation rate for 45Li2O-5TiO2-50P2O5 glass is close to the glass transition temperature.
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页码：53 / 58
页数：5
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