A GENERAL CRITERION FOR HIGH CYCLE MULTIAXIAL FATIGUE FAILURE

被引：270

作者：

MCDIARMID, DL

机构：

[1] Department of Mechanical Engineering and Aeronautics, City University London

来源：

FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES | 1991年 / 14卷 / 04期

关键词：

D O I：

10.1111/j.1460-2695.1991.tb00673.x

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

A new simple general criterion of failure for high cycle multiaxial fatigue, tau-a/t(A,B) + sigma-n,max/2sigma-T = 1, is presented. The failur criterion is based on a critical plane approach where fatigue strength is a function of the shear stress amplitude and the maximum normal stress on the critical plane of maximum shear stress amplitude. The criterion takes account of whether case A cracks, growing along the surface, or case B cracks, growing into the surface, occur. It requires knowledge of the material properties, tensile strength, sigma-T, and reversed shear fatigue strength for case A, t(A), or case B, t(B), cracking, whichever is relevant. t(A) is the reversed torsion fatigue strength and t(B) is found from a case B cracking test case. The criterion is applicable in the region, 0.5t less-than-or-equal-to tau-a less-than-or-equal-to t, and 0 less-than-or-equal-to sigma-n,max less-than-or-equal-to sigma-T.

引用

页码：429 / 453

页数：25

共 40 条

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