ON THE GEOMETRY OF FATIGUE CRACK CLOSURE

被引：0
|
作者：
STUWE, HP [1 ]
PIPPAN, R [1 ]
SHAN, GX [1 ]
机构：
[1] UNIV MIN & MET LEOBEN, INST MET PHYS, A-8700 LEOBEN, AUSTRIA
来源：
STEEL RESEARCH | 1992年 / 63卷 / 08期
关键词：
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Long fatigue cracks frequently grow at a much lower rate than short cracks because they are closed during part of the stress cycle. The critical crack length for the transition from "short" to "long" depends on the amplitude of stress intensity DELTA-K and on the stress ratio R. This dependence is explained using a numerical study of the crack flank contour.
引用
收藏
页码：368 / 370
页数：3
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