Transactions of the Korean Society of Automotive Engineers (한국자동차공학회논문집)
- Volume 8 Issue 3
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- Pages.110-118
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- 2000
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- 1225-6382(pISSN)
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- 2234-0149(eISSN)
A study on the Fatigue Life Prediction Method of the Spot-welded Lap Joint
점용접이음재의 피로수명 예측기법에 관한 연구
Abstract
For reasonable fatigue design and estimation of fatigue durability considered fatigue strength and stiffness of the automotive body structure, many fatigue data must be insured according to the shapes, materials, and welding conditions of the spot welded lap joints. However, because it is actually difficult problem, there is need to establish a new method to be able to predict its fatigue life without any additional fatigue tests. Therefore, In order to improve such problems, in this study, the maximum stress function presenting the
Keywords
- Spot welding;
- Fatigue life;
- Statistic technique;
- Fatigue life prediction method;
- $\delta$P ― $N_f$ curve;
- $\delta\sigma$1max ― $N_f$ curve
- 점용접;
- 피로수명;
- 통계적 기법;
- 피로수명 예측방법;
- 하중 범위-수명곡선;
- 최대주응력-수명곡선;