In situ reaction synthesis and characterization of Ti3Si(Al)C2/SiC composites

被引：75
作者：
Wan, D. T.
Zhou, Y. C.
Bao, Y. W.
Yan, C. K.
机构：
[1] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2006年 / 32卷 / 08期
关键词：
Ti3Si(Al)C-2/SiC composites; hardness; wear behavior; oxidation resistance;
D O I：
10.1016/j.ceramint.2005.07.004
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：
The reaction route, microstructure, and properties of Ti3Si(Al)C-2/SiC composites with 5-30 vol.% SiC content prepared by in situ hot pressing/solid-liquid reaction synthesis process are investigated. In contrast to monolithic Ti3Si(Al)C-2, the SiC particle-reinforced composites exhibit higher elastic modulus, Vickers hardness, fracture toughness, improved wear, and oxidation resistance, but have a slight loss in flexural strength. The improvement in the properties is mainly ascribed to the contribution of SiC particles, and the strength degradation is due to the residual tensile stresses in the matrix. (C) 2005 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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页码：883 / 890
页数：8
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