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.

引用

页码：2 / 9

页数：8

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