Cyclic thermal shock resistance of TiC/Ni3Al FGMs

被引：9
|
作者：
Zhang, LM
Hirai, T
Kumakawa, A
机构：
[1] KAKUDA RES CTR,NATL AEROSP LAB,KAKUDA,MIYAGI 98115,JAPAN
[2] WUHAN UNIV TECHNOL,INST ADV MAT RES,WUHAN 430070,PEOPLES R CHINA
来源：
COMPOSITES PART B-ENGINEERING | 1997年 / 28卷 / 1-2期
基金：
日本学术振兴会;
关键词：
cyclic thermal shock; TiC/Ni3Al; functionally graded materials;
D O I：
10.1016/S1359-8368(96)00027-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Cyclic thermal shock tests on three TiC/Ni3Al FGM specimens were carried out under simulated large-temperature-difference conditions. The effective thermal conductivity was measured and the variation of microstructure was observed. The effects of the sample geometry and the TiC side surface state on the cyclic thermal shock behavior were investigated, together with thermal stresses under steady-heating conditions. The relation between the variation of effective thermal conductivity and crack propagation was also investigated. The damage which occurred in these FGMs was mainly caused by excessive inplane compressive stresses on the surface of the TiC side during the cyclic thermal shock tests. (C) 1997 Elsevier Science Limited. All rights reserved.
引用
收藏
页码：21 / 27
页数：7
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