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Author:

尚德广 (尚德广.) (Scholars:尚德广) | 王瑞杰 (王瑞杰.)

Indexed by:

CQVIP PKU CSCD

Abstract:

利用三维有限元模拟和动态响应试验对点焊接头疲劳裂纹萌生和扩展特性进行了研究.利用所模拟的裂纹长度和固有频率的关系,定义了点焊疲劳裂纹扩展的三个阶段.根据所定义的裂纹萌生阶段的定义,利用局部应力应变法预测了点焊接头的疲劳裂纹萌生寿命.结果表明,所预测的疲劳萌生寿命与试验结果相吻合.

Keyword:

疲劳裂纹萌生与扩展 点焊接头 寿命预测 固有频率 3D有限元

Author Community:

  • [ 1 ] [尚德广]北京工业大学
  • [ 2 ] [王瑞杰]北京工业大学

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Source :

机械工程学报

ISSN: 0577-6686

Year: 2005

Issue: 5

Volume: 41

Page: 49-53

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 23

Chinese Cited Count:

30 Days PV: 3

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