Analysis of small edge cracks and its implications to multiaxial fatigue theories

被引：6
|
作者：
Wang, Y [1 ]
Pan, J [1 ]
机构：
[1] Univ Michigan, Dept Mech Engn, Ann Arbor, MI 48109 USA
来源：
JOURNAL OF PRESSURE VESSEL TECHNOLOGY-TRANSACTIONS OF THE ASME | 2001年 / 123卷 / 01期
关键词：
fatigue crack growth; general yielding; generalized plane strain; J integral; low-cycle fatigue; mixed-mode fracture; multiaxial fatigue; power-law hardening materials;
D O I：
10.1115/1.1342012
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The near-tip fields of small edge (Case B) cracks in power-law hardening materials are investigated under generalized plane strain, mixed mode, and general yielding conditions by finite element analyses. The results of the J integral front the finite element analyses are used to correlate to a fatigue crack growth criterion for Case B cracks. The trend of constant J contours on the Gamma -plane is compared reasonably well a with those of the experimental results of constant fatigue life and constant fatigue crack growth rate under multiaxial loading conditions.
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收藏
页码：2 / 9
页数：8
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