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剪切载荷作用下含损伤胶接材料界面动应力强度因子的研究

蔡艳红 陈浩然 唐立强 闫澄 江莞

蔡艳红, 陈浩然, 唐立强, 闫澄, 江莞. 剪切载荷作用下含损伤胶接材料界面动应力强度因子的研究[J]. 应用数学和力学, 2008, 29(11): 1376-1386.
引用本文: 蔡艳红, 陈浩然, 唐立强, 闫澄, 江莞. 剪切载荷作用下含损伤胶接材料界面动应力强度因子的研究[J]. 应用数学和力学, 2008, 29(11): 1376-1386.
CAI Yan-hong, CHEN Hao-ran, TANG Li-qiang, YAN Cheng, JIANG Wan. Dynamic Stress Intensity Factor Analysis of Adhesively Bonded Material Interface With Damage Under Shear Loading[J]. Applied Mathematics and Mechanics, 2008, 29(11): 1376-1386.
Citation: CAI Yan-hong, CHEN Hao-ran, TANG Li-qiang, YAN Cheng, JIANG Wan. Dynamic Stress Intensity Factor Analysis of Adhesively Bonded Material Interface With Damage Under Shear Loading[J]. Applied Mathematics and Mechanics, 2008, 29(11): 1376-1386.

剪切载荷作用下含损伤胶接材料界面动应力强度因子的研究

基金项目: 国家自然科学基金资助项目(10672027);国家重大基础研究计划(973)资助项目(2006CB601205);国家杰出青年基金资助项目(50625414)
详细信息
    作者简介:

    蔡艳红(1969- ),女,黑龙江人,讲师,博士;陈浩然(1940- ),男,教授,博士生导师(联系人.Tel:+86-411-84706348;E-mail:chenhr@dlut.edu.cn).

  • 中图分类号: O346.1

Dynamic Stress Intensity Factor Analysis of Adhesively Bonded Material Interface With Damage Under Shear Loading

  • 摘要: 主要针对剪切载荷作用下,胶接材料接合区域界面裂纹尖端动态应力强度因子进行了分析,其中考虑了裂尖区域的损伤.通过积分变换,引入位错密度函数,奇异积分方程被简化为代数方程,并采用配点法求解;最后经过Laplace逆变换,得到动态应力强度因子的时间响应.Ⅱ型动应力强度因子随着黏弹性胶层的剪切松弛参量、弹性基底的剪切模量和Poisson比的增加而增大;随膨胀松弛参量的增加而减小.损伤屏蔽发生在裂纹扩展的起始阶段.裂纹尖端的奇异性指数(-0.5)是与材料参数、损伤程度和时间无关的,而振荡指数由黏弹性材料参数控制.
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出版历程
  • 收稿日期:  2007-08-17
  • 修回日期:  2008-09-26
  • 刊出日期:  2008-11-15

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