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Author:

吕涛 (吕涛.) | 赵海燕 (赵海燕.) | 史耀武 (史耀武.)

Indexed by:

PKU CSCD

Abstract:

采用热弹塑性有限元方法,对平板对接接头中焊缝金属强度组配对焊接残余应力分布的影响进行了研究.结果表明,对于高组配接头,纵向残余应力的峰值接近焊缝金属的屈服极限,出现在焊缝中心.对于低组配接头,纵向残余应力的峰值接近母材的屈服极限,并发生在焊缝附近.随着对含有残余应力的接头施加外载,焊缝金属强度组配对纵向应力分布的影响依然存在,但残余应力的影响在减小.对承受外载的焊接接头,逐步卸除外载后,焊缝横截面上的残余应力将趋于降低,其分布呈现均衡.

Keyword:

有限元法 强度组配 焊接接头 残余应力

Author Community:

  • [ 1 ] [吕涛]北京石油化工学院
  • [ 2 ] [赵海燕]清华大学
  • [ 3 ] [史耀武]北京工业大学

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Source :

中国机械工程

ISSN: 1004-132X

Year: 2000

Issue: 11

Volume: 11

Page: 1280-1283

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 14

Chinese Cited Count:

30 Days PV: 8

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