A SIMPLE TEST FOR THERMOMECHANICAL EVALUATION OF CERAMIC FIBERS

被引:63
|
作者
MORSCHER, GN
DICARLO, JA
机构
[1] NASA Lewis Research Center, Cleveland, Ohio
关键词
TESTING; FIBERS; CREEP; BENDING; STRESS RELAXATION;
D O I
10.1111/j.1151-2916.1992.tb05455.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
A simple bend stress relaxation (BSR) test has been developed to measure the creep-related deformation properties of ceramic fibers and whiskers. The test was applied to a variety of commercial and developmental Si-based fibers to demonstrate test capabilities and to qualitatively evaluate the relative creep resistance of the fibers at 1200-degrees and 1400-degrees-C. The implications of these results and the advantages of the BSR test over typical tensile creep tests are discussed.
引用
收藏
页码:136 / 140
页数:5
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