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

页码：131 / +

页数：2

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