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Author:

王瑞杰 (王瑞杰.) | 尚德广 (尚德广.) (Scholars:尚德广) | 李承山 (李承山.) | 孙国芹 (孙国芹.) (Scholars:孙国芹)

Abstract:

对单点与两点焊拉剪点焊疲劳试样分别进行了疲劳试验,观测了疲劳裂纹的形状和萌生位置,分析了两种试样的疲劳性能。通过有限元模型分析了同等栽荷作用下两种试样的变形,对比两种试样的载荷幅寿命关系,认为两点试样的承载能力约为单点试样的两倍。基于此,使用单点试样的载荷幅寿命曲线,预测了两点试样的疲劳寿命,寿命预测结果与实验寿命结果一致。

Keyword:

有限元分析 点焊 寿命预测 疲劳裂纹 疲劳寿命

Author Community:

  • [ 1 ] 北京工业大学机械工程与应用电子技术学院

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Source :

Year: 2007

Issue: 总第139期

Language: Chinese

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 11

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