Journal of Adhesion and Interface (접착 및 계면)

The Society of Adhesion and Interface, Korea (한국접착및계면학회)
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The Simulation of Notch Length on the Stress Distribution in Lap Zone of Single Lap Joint with a Centered Notch

  • Yan, Zhanmou (College of Mechanical and Material Engineering, China Three Gorges University) ;
  • You, Min (College of Mechanical and Material Engineering, China Three Gorges University) ;
  • Yi, Xiaosu (National Key Laboratory of Advanced Composites (LAC/BIAM)) ;
  • Zheng, Xiaoling (College of Mechanical and Material Engineering, China Three Gorges University)
  • Received : 2006.11.10
  • Accepted : 2006.11.21
  • Published : 2006.12.30
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Abstract

The influence of the notch length on the stress distribution of mid-bondline and adherend was investigated using elasto-plastic finite element method. The results from the simulation showed that peak stress of mid-bondline decreased markedly as adherend with notch in the middle of lap zone, and the stress in the middle of joint with low stress originally increased evidently. All the peak stresses decreased firstly and increased again as the length of notch increased. The relative higher peak stress appeared at the point near the notch of adherend where might be failed previously during the loading procedure.

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