EXPERIMENTAL INVESTIGATION OF THE CRACK-TIP STRAIN AND STRESS

被引：0
|
作者：
DENG, ZS
CHEN, C
机构：
来源：
SCIENTIA SINICA | 1979年 / 22卷 / 02期
关键词：
MATHEMATICAL MODELS;
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暂无
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Experiments were conducted to determine the relationship between the increase of the crack-tip strain and the angle of bend of precracked 3-point-bend specimens in order to ascertain the criterion for crack extension. A low-alloy, medium-strength steel was employed in the tests, and use was made of etching by Fry's reagent nd microhardness measurements. Support is found for the view that the basic criterion for crack extension is the maximum shear stress criterion.
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页码：169 / &
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