点焊接头疲劳寿命预测研究进展

A REVIEW ON FATIGUE LIFE PREDICTION APPROACHES FOR SPOT-WELDED JOINT

  • 摘要: 概述点焊接头疲劳损伤理论与寿命预测方法的研究进展, 分析点焊接头的疲劳强度影响因素和裂纹萌生扩展机理,对点焊接头疲劳寿命估算方法进行了对比,对寿命估算模型进行了评价,最后对点焊接头疲劳寿命预测研究的未来发展趋势提出了看法.

     

    Abstract: This paper reviews the development of the fatigue damageaccumulation theory and fatigue life prediction approaches for spotwelds, including the fatigue life predicting methods, fatigue lifeprediction models, and factors affecting the fatigue strength of spotwelds. It covers both theoretical and engineering aspects. Some commentsare made on the further development of the life prediction methods.

     

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