Overload Analysis and J_e Based Fatigue Life Prediction of Spot-Welded Auto Seat Belt Anchors(Fatigue 2)

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概要

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• We demonstrate the validity of J_e, which comprehensively describes the effects of specimen geometry and loading type, in predicting the fatigue life of auto seat belt anchor panel. We first simplify the heat affected zone model to reduce the number of finite elements. We then establish finite element models reflecting the actual overload behavior of 3 types of seat belt anchor specimens. Using elaborate finite element models, we obtain the effective crack driving parameter J_e composed of its ductility-dependent modal components. It is confirmed that the J_e concept successfully predicts the fatigue life of multi-spot welded panel structures represented by auto seat belt anchors here.

• 一般社団法人日本機械学会の論文
• 2001-10-20

著者

• Choi Jinyong

  Department of Electrical Engineering, Korea University, Seoul 136-701, Korea

• Choi Jinyong

  Department of Mechanical Engineering, Sogang University

• Lee Hyungyil

  Department of Mechanical Engineering, Sogang University

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• Overload Analysis and J_e Based Fatigue Life Prediction of Spot-Welded Auto Seat Belt Anchors(Fatigue 2)

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