SILICON-CARBIDE WHISKER ALUMINA MATRIX COMPOSITES - EFFECT OF WHISKER SURFACE-TREATMENT ON FRACTURE-TOUGHNESS

被引：59

作者：

HOMENY, J ^{[1
]}

VAUGHN, WL ^{[1
]}

FERBER, MK ^{[1
]}

机构：

[1] OAK RIDGE NATL LAB,HIGH TEMP MAT LAB,OAK RIDGE,TN 37830

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1990年 / 73卷 / 02期

关键词：

alumina; mechanical properties; silicon carbide; toughness; whiskers;

D O I：

10.1111/j.1151-2916.1990.tb06524.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：

The fracture toughness of a 30 vol% SiC whisker/Al2O3 matrix composite was evaluated as a function of whisker surface chemistry. Two types of SiC whiskers (Silar‐SC‐9 and Tateho‐SCW‐1‐S) were investigated. Modification of the whisker surface chemistry was achieved by subjecting the whiskers to thermal treatments under controlled atmospheres. Whisker surface chemistry, as determined by X‐ray photoelectron spectroscopy, was correlated to the fracture toughness of the composites. Copyright © 1990, Wiley Blackwell. All rights reserved

引用

页码：394 / 402

页数：9

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