Effects of ZrO2 on crystallization of ZnO-Al2O 3-SiO2 glass

被引：1
|
作者：
Wakasugi, Takashi [1 ]
Endo, Shinji [1 ]
Kadono, Kohei [1 ]
机构：
[1] Dept. Chem. and Mater. Tech., Kyoto Inst. Tech., Sakyo-ku, Kyoto
来源：
Zairyo/Journal of the Society of Materials Science, Japan | 2008年 / 57卷 / 06期
关键词：
Crystallization; DTA; Glass ceramics; Nucleation; Transparency; ZnAl[!sub]2[!/sub]O [!sub]4[!/sub;
D O I：
10.2472/jsms.57.552
中图分类号：
学科分类号：
摘要：
The effects of ZrO2 on the crystallization behaviors of ZnO-Al2O3-SiO2 glasses were investigated in order to prepare transparent glass ceramics containing ZnAl2O 4 nano-crystal. Nucleation in 20ZnO · 20Al2O 3 · 60SiO2 glass proceeded vigorously at the temperature range between 775°C and 825 °C. Though a few silicate phases precipitated in as-quenched 20ZnO · 20Al2O3 · 60SiO2 glasses, addition of ZrO2 and nucleation heat treatments promote the precipitation of ZnAl2O4. As a result, a transparent glass ceramic containing ZnAl2O4 nano-crystal was obtained by crystallization of 20ZnO · 20Al 2O3 · 54SiO2 · 6ZrO2 glass after the heat-treatment at 775°C for 24hr. © 2008 The Society of Materials Science.
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页码：552 / 556
页数：4
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