In situ synthesis and properties of self-reinforced Si3N4-SiO2-Al2O3-Y2O3 (La2O3) glass-ceramic composites

被引：0

作者：

Luo, Zhiwei ^{[1
]}

Lu, Anxian ^{[1
]}

Han, Lei ^{[1
]}

Song, Jun ^{[1
]}

机构：

[1] Cent S Univ, Sch Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China

来源：

BULLETIN OF MATERIALS SCIENCE | 2017年 / 40卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Crystallization; glass-ceramics; phase transformations; silicon nitride; SILICON-NITRIDE CERAMICS; DOPED OXYNITRIDE GLASSES; GROWN SI3N4 WHISKERS; O-N GLASSES; MECHANICAL-PROPERTIES; MATRIX COMPOSITES; GRAIN-GROWTH; MICROSTRUCTURE; CRYSTALLIZATION; TEMPERATURE;

D O I：

10.1007/s12034-017-1426-9

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In-situ-grown -reinforced self-reinforced glass-ceramic composites were obtained without any seed crystal. These composites with different compositions were prepared in a nitrogen atmosphere for comparison of phase transformation and mechanical properties. The results showed that glass can effectively promote - to phase transformation. The crystallized phases with a high melting point significantly benefited the high-temperature mechanical properties of the composites. The glass-ceramic composites exhibit excellent mechanical properties compared with unreinforced glass-ceramic matrix, which is undoubtedly attributed to the elongated grains. These glass-ceramic composites with excellent comprehensive properties might be a promising material for high-temperature applications.

引用

页码：683 / 690

页数：8

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