Influence of titanium diboride on the microstructure and mechanical properties of silicon nitride ceramic

被引：10
|
作者：
Sun, Y [1 ]
Meng, QC [1 ]
Jia, DC [1 ]
Huang, LJ [1 ]
机构：
[1] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Peoples R China
来源：
MATERIALS LETTERS | 2004年 / 58卷 / 14期
关键词：
titanium diboride; microstructure; mechanical properties; silicon nitride;
D O I：
10.1016/j.matlet.2003.12.025
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Silicon nitride (Si3N4) ceramics incorporated various amount of titanium diboride (TiB2) were fabricated by hot pressing at 1800 degreesC for 1 h. The influence of TiE2 on the microstructure and mechanical properties Of Si3N4 ceramic was investigated. When a small amount of TiB2 (2 vol.%) was added, the mechanical properties of Si3N4 were improved significantly, whereas they began to degrade when more TiB2 (greater than or equal to 4 vol.%) was introduced. The reaction between TiE2 and Si3N4 matrix is responsible for the variation in mechanical properties of the TiB2/Si3N4 composites. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：2057 / 2060
页数：4
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