RESIDUAL-STRESSES IN A 2-PHASE MICROCRACKING CERAMIC

被引：51
|
作者：
MAGLEY, DJ
WINHOLTZ, RA
FABER, KT
机构：
[1] OHIO STATE UNIV,DEPT MAT SCI & ENGN,COLUMBUS,OH 43210
[2] NORTHWESTERN UNIV,DEPT MAT SCI & ENGN,EVANSTON,IL 60208
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1990年 / 73卷 / 06期
关键词：
composites; microcracking; silicon carbide; stress; titanium diboride;
D O I：
10.1111/j.1151-2916.1990.tb09808.x
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：
Residual stresses in a SiC‐TiB2 particulate composite before and after stressing have been measured using X‐ray diffraction. Tensile residual stresses in the TiB2 drop by 60% after bending stresses of 250 MPa are applied. Likewise, the compressive residual stresses in the Sic phase decrease accordingly. Such behavior is consistent with stress‐induced microcracking. Copyright © 1990, Wiley Blackwell. All rights reserved
引用
收藏
页码：1641 / 1644
页数：4
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