Mixed‐Mode Stress Intensity Factors for Partially Opened Cracks

被引：10
|
作者：
Theo Fett
机构：
[1] Forschungszentrum Karlsruhe,Institut für Materialforschung II
来源：
International Journal of Fracture | 2001年 / 111卷 / 4期
关键词：
Mechanical Engineer; Civil Engineer; Stress Intensity Factor; Simple Relation; Open Crack;
D O I：
10.1023/A:1012473700907
中图分类号：
学科分类号：
摘要：
Failure considerations under mixed-mode loading require knowledge about the influence of friction between partially closed crack faces in the case of a negative mode-I stress intensity factor. A simple relation is derived, which allowes to compute friction contributions to the mode-II stress intensity factor KII for the case of negative mode-I stress intensity factors KI. The relation is exact for the limit case of an edge crack in a half-space. It can be shown that small cracks in finite bodies can also be described with sufficient accuracy.
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