• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文会议> >An integrated approach for prediction of fretting crack nucleation in riveted lap joints
【24h】

An integrated approach for prediction of fretting crack nucleation in riveted lap joints

机译：预测搭接接头微动裂纹成核的综合方法

获取原文
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Fretting is a major cause of crack formation in aircraft structures like lap joints and dove tail joints. ^A tightly integrated mechanics-based method to relate fretting crack nucleation to the various parameters that influence it is presented. ^A finite element model of a rivet and the skin around it was analyzed to provide the stress state under various loads. ^The model incorporated residual stresses from riveting, plasticity and contact between the various surfaces. ^A multiaxial fatigue model was used to translate the results into a prediction of life to crack nucleation. ^Excellent comparisons with a set of controlled lap joint experiments provide the validation of this approach. ^Effects of the finite width of the experimental specimen were found to be small. ^(Author)
机译：微动是飞机结构（如搭接和鸽子尾部接缝）中裂纹形成的主要原因。 ^提出了一种基于紧密集成力学的方法，将微动裂纹成核与影响裂纹成核的各种参数相关联。 ^分析了铆钉及其周围皮肤的有限元模型，以提供各种载荷下的应力状态。 ^该模型包含了铆接，可塑性和各个表面之间的接触所产生的残余应力。 ^使用多轴疲劳模型将结果转换为对裂纹成核寿命的预测。 ^与一组受控搭接接头实验的出色比较提供了这种方法的验证。 ^发现实验样品的有限宽度的影响很小。 ^（作者）

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号