Effect of nucleating agents on the crystallization of Li2O-Al2O3-SiO2 system glass

被引：19

作者：

Hu, AM ^{[1
]}

Liang, KM ^{[1
]}

Wang, G ^{[1
]}

Zhou, F ^{[1
]}

Peng, F ^{[1
]}

机构：

[1] Tsing Hua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R China

来源：

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2004年 / 78卷 / 03期

关键词：

crystallization; differential thermal analysis; glass-ceramics; nucleation;

D O I：

10.1007/s10973-004-0465-9

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The processes of nucleation of Li2O-Al2O3-SiO2 glasses with TiO2 and TiO2+ZrO2 as nucleating agents were discussed. The DTA peak temperature and DTA peak height shown a strong dependence on the nucleation temperature in the glass with TiO2, while in the glass with TiO2+ZrO2, this tendency was small. The optimum nucleation temperatures were 745 and 760degreesC for two glasses. It suggested that with TiO2+ZrO2 as nucleating agents, the crystallization had lower sensitivity for nucleation temperature, and the glass had higher nucleation efficiency than with TiO2.

引用

页码：991 / 997

页数：7

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