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

作　　者：王瑞杰[1] 尚德广[1] 沈通[1] 阎楚良[1] 

机构地区：[1]北京工业大学机械工程与应用电子技术学院,北京100022

出　　处：《力学与实践》2006年第3期9-14,共6页Mechanics in Engineering

基　　金：北京市自然科学基金项目(3042003)资助.

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．This paper reviews the development of the fatigue damage accumulation theory and fatigue life prediction approaches for spot welds, including the fatigue life predicting methods, fatigue life prediction models, and factors affecting the fatigue strength of spot welds. It covers both theoretical and engineering aspects. Some comments are made on the further development of the life prediction methods.

关 键 词：点焊接头 疲劳损伤 寿命预测 

分 类 号：O346.2[理学—固体力学]