Fracture mechanics based fretting fatigue life predictions in Ti-6Al-4V

被引:40
作者
Golden, PJ [1 ]
Grandt, AF
机构
[1] USAF, Res Lab, AFRL MLLMN, Wright Patterson AFB, OH 45433 USA
[2] Purdue Univ, Sch Aeronaut & Astronaut, W Lafayette, IN 47907 USA
关键词
fatigue; fretting; Ti-6Al-4V; life prediction; crack growth;
D O I
10.1016/j.engfracmech.2003.10.005
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
A fracture mechanics based crack propagation analysis is developed to work directly with the output of a contact mechanics stress analysis for fretting fatigue. A series of remote load fatigue tests were conducted on specimens that had previously been subjected to fretting fatigue loading conditions. The growth of these prior fretting induced cracks were monitored and compared to results from the crack propagation analysis. A combined fatigue crack formation and propagation analysis was then applied to other fretting fatigue experiments with good success. The creation of fretting fatigue stress-life curves is also demonstrated. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:2229 / 2243
页数:15
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