A dilatometric study of phase separation in sodium borosilicate glass with phosphorus and fluorine additions

被引：0
|
作者：
S. V. Stolyar
I. N. Anfimova
机构：
[1] Russian Academy of Sciences,Grebenshchikov Institute of Silicate Chemistry
来源：
Glass Physics and Chemistry | 2011年 / 37卷
关键词：
Na; O-B; O; -SiO; system; F and P additions; phase separation; two-phase glasses; glass transition temperature;
D O I：
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学科分类号：
摘要：
The phase separation of sodium borosilicate glass with small additions of phosphorus and fluorine oxides has been investigated using dilatometry at a temperature of 550°C (the heat treatment time varies from 0.05 to 500 h). Two glass transition temperatures have been revealed in the dilatometric curves at heat treatment times of 65 h and more. The results indicate that the time of 65 h is enough to complete the phase separation in the glass at a temperature of 550°C.
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页码：290 / 292
页数：2
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