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  • 标题:An extended method of estimating the fatigue performance of mechanical structures with fasteners subject to shear loads
  • 作者:Longchao Dai ; Hang Chen ; Yuntao Zhang
  • 期刊名称:Advances in Mechanical Engineering
  • 印刷版ISSN:1687-8140
  • 电子版ISSN:1687-8140
  • 出版年度:2018
  • 卷号:10
  • 期号:4
  • DOI:10.1177/1687814018767716
  • 语种:English
  • 出版社:Sage Publications Ltd.
  • 摘要:Prediction accuracy is a key problem in estimating the fatigue resistance of engineering structures. Here, we consider mechanical structures with fasteners that are simultaneously subjected to a combination of shear and tension (or compression) loads. The currently used detail fatigue rating method is modified and an extended detail fatigue rating method is proposed to improve the estimation results. This is achieved by considering the effect of the load, stress concentration, and fatigue failure criterion on the fatigue capacity. An experimental assessment is also made of many specimens with different structures. A comparison of the estimation results obtained using the extended detail fatigue rating method and the experimental results shows that the new method gives results that are acceptable in engineering practice.
  • 关键词:Fatigue resistance estimation; detail fatigue rating; mechanical structures with fasteners; pin loads
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