MgO-Al2O3-SiO2 Glass-Ceramic Prepared by Sol-Gel Method

被引：3
|
作者：
Yuan, Qiuhua [1 ]
Zhang, Peixin [1 ]
Gao, Li [1 ]
Peng, Hailin [1 ]
Ren, Xiangzhong [1 ]
Zhang, Dongyun [2 ]
机构：
[1] Shenzhen Univ, Sch Chem & Chem Engn, Shenzhen 518060, Peoples R China
[2] Guangxi Univ, Sch Chem & Chem Engn, Nanning 530004, Peoples R China
来源：
POWDER TECHNOLOGY AND APPLICATION II | 2010年 / 92卷
基金：
中国国家自然科学基金;
关键词：
MgO-Al2O3-SiO2; system; glass-ceramics; sol-gel; CRYSTALLIZATION BEHAVIOR;
D O I：
10.4028/www.scientific.net/AMR.92.131
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The crystallization behavior of MgO-Al2O3-SiO2 glass-ceramics by sol-gel technology was investigated by using x-ray diffraction (XRD), differential thermal analysis (DTA), Scanning electron microscopy (SEM). The results showed that: (1)alpha-cordierite phase was precipitated when the green body was calcined at 1050 degrees C, and alpha-cordierite of high purity and stability could be formed at 1100 degrees C; (2) Adding an appropriate amount of low melting point glass powder into the green body may provide liquid-phase environment during the sintering process, which will help enhance the tightness density of glass-ceramic, and thus improve its flexural strength.
引用
收藏
页码：131 / +
页数：2
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