Multiaxial fatigue assessment based on a short crack growth concept

被引：20

作者：

Hertel, Olaf ^{[1
]}

Vormwald, Michael ^{[2
]}

机构：

[1] Volkswagen AG, D-38436 Wolfsburg, Germany

[2] Tech Univ Darmstadt, Mat Mech Grp, D-64287 Darmstadt, Germany

来源：

THEORETICAL AND APPLIED FRACTURE MECHANICS | 2014年 / 73卷

关键词：

Multiaxial fatigue; Short crack; Critical plane approach; DEFORMATION-BEHAVIOR; MICROCRACK GROWTH; ALUMINUM-ALLOYS; LIFE PREDICTION; NOTCH STRESS; SIMULATION; COMPONENTS; INITIATION; MECHANICS; CLOSURE;

D O I：

10.1016/j.tafmec.2014.06.010

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The fatigue life to initiate a crack of technical size is interpreted as a pure growth process of a mechanically short crack. A set of equations and corresponding simulation procedures are outlined which can be used to assess multiaxial, in especially including non-proportional variable amplitude loading of notched components. The prediction accuracy of this approach is compared to the accuracy of other approaches. The comparison was performed using experimental data recently published in a comprehensive investigation performed by Franz and Xin. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：17 / 26

页数：10

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