Effect of B4C on the Mechanical Properties and Microstructure of ZrB2-SiC Based Ceramics

被引：4
|
作者：
Liu Xuan [1 ]
Xu Qiang [1 ]
Zhu Shizhen [1 ]
机构：
[1] Beijing Inst Technol, Dept Mat Sci & Engn, Beijing 100081, Peoples R China
来源：
CHINESE CERAMICS COMMUNICATIONS | 2010年 / 105-106卷
关键词：
B(4)C; ZrB(2)-SiC; mechanical properties; microstructure; high temperature strength; COMPOSITES; OXIDATION; ADDITIVES; BORON;
D O I：
10.4028/www.scientific.net/AMR.105-106.218
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：
ZrB(2)-SiC-B(4)C is sintered at 1700 degrees C by spark plasma sintering process. The effect of B(4)C content on the mechanical properties and microstructure of ZrB(2)-SiC based ceramics is studied. The results show that, with the content of B(4)C increases, the relative density and room-temperature strength decrease in the ZrB(2)-SiC-B(4)C composite. The fracture toughness rises at first and then falls down. The high temperature strength increases.
引用
收藏
页码：218 / 221
页数：4
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