Fabrication and characterization SiCw/MOSi2 composite from COSHSed powder

被引：7
|
作者：
Xu, Jianguang [1 ]
Zhang, Baolin
Jiang, Guojian
Li, Wenlan
Zhuang, Hanrui
机构：
[1] Hunan Univ Sci & Technol, Sch Electromech Engn, Xiangtan 411201, Hunan, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 200050, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE | 2007年 / 42卷 / 14期
关键词：
D O I：
10.1007/s10853-006-0703-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
SiC whisker reinforced MoSi2 Composite has been successfully fabricated by hot-press sintering from "chemical oven" combustion synthesized powder. After sintering. a uniform dispersion of SiC whiskers is obtained in the MoSi2 matrix. The Vickers hardness, flexural strength and fracture toughness of the SiCw/MoSi2 composite are 11.15 GPa, 457 MPa and 6.20 MPa center dot m(1/2), in creased by 26.1%. 134.3% and 47.3% as compared to MoSi2 matrix, respectively. At last, the mechanism of mechanical properties improvement was also proposed.
引用
收藏
页码：5795 / 5798
页数：4
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