Nucleation and crystallization of a lithium aluminosilicate glass

被引：1
|
作者：
Barbieri, L
Leonelli, C
Manfredini, T
Siligardi, C
Corradi, AB
机构：
[1] Univ Modena, Dept Chem, I-41100 Modena, Italy
[2] Univ Pavia, CSTE CNR, I-27100 Pavia, Italy
[3] Univ Pavia, Dept Phys Chem, I-27100 Pavia, Italy
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1997年 / 80卷 / 12期
关键词：
D O I：
暂无
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
An aluminosilicate glass of composition 61SiO(2) . 6Al(2)O(3) . 10MgO . 6ZnO . 12Li(2)O . 5TiO(2) (mol%) has been prepared by a melting process and investigated as far as crystallization is concerned. Glass-ceramic is easily obtained because glass shows a high tendency to crystallize starting from 700 degrees C. The crystalline phases evolve with temperature, showing the aluminosilicates to be the main phase up to 1050 degrees C, followed by metasilicates and silicates, some of which have lower melting points. The titanates of Mg and Zn develop from the phase-separated glass, soon after T-g, and grow to form nucleation centers for the other crystalline phases. The evolution from phase-separated glass to glass-ceramic has been followed by many thermal, diffractometric, spectroscopic, and microscopic techniques.
引用
收藏
页码：3077 / 3083
页数：7
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