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Author:

宇慧平 (宇慧平.) | 胡明清 (胡明清.) | 冯峰 (冯峰.)

Abstract:

  以超高强淬火钢22MnB5搭接焊点结构为研究对象,使用成组疲劳试验方法对拉剪型点焊样件进行疲劳性能试验。利用ANSYS软件对其静强度进行仿真,使用FE-SAFE软件计算焊点疲劳寿命,并与试验值进行对比,结果吻合较好。计算结果表明,两焊板焊核的间隙处、焊核与塑性环交界面处的应力较大,易发生疲劳断裂,寿命最小点同应力最大点位置相同,焊点裂纹由此处萌生,并由内向外扩展直至表面贯穿失效。

Keyword:

数值仿真 超高强钢 点焊 疲劳试验

Author Community:

  • [ 1 ] [宇慧平]北京工业大学
  • [ 2 ] [胡明清]北京工业大学
  • [ 3 ] [冯峰]北京工业大学

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Source :

Year: 2015

Page: 322-324

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: -1

Chinese Cited Count:

30 Days PV: 2

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