The influence of mean stress on fatigue crack propagation in aluminium alloys

被引：27
|
作者：
Mann, T. [1 ]
机构：
[1] Norwegian Univ Sci & Technol, N-7491 Trondheim, Norway
来源：
INTERNATIONAL JOURNAL OF FATIGUE | 2007年 / 29卷 / 08期
关键词：
crack propagation; stress ratio; mean stress; fatigue;
D O I：
10.1016/j.ijfatigue.2006.11.010
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Various equations to account for the mean stress dependence of crack propagation data have been described. They have been fitted to data from the aluminium alloys 7075-T6, 2024-T3 and 6082-T6, and their applicability to these alloys has been discussed. In addition, two mean stress equations were applied to crack propagation threshold data for the 5083-H321 aluminium alloy. Finally, a new equation to account for the mean stress dependence of crack propagation data has been suggested and its excellent applicability has been shown. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1393 / 1401
页数：9
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