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

页码：1641 / 1644

页数：4

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