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Author:

林德超 (林德超.) | 史耀武 (史耀武.)

Indexed by:

CQVIP PKU CSCD

Abstract:

采用有限元法对相同温度场的焊缝与母材强度和线膨胀系数匹配影响焊接残余应力的规律进行了数值模拟.计算结果表明:等强等胀匹配的焊缝区纵向残余拉应力水平高达母材的屈服强度,等强低胀匹配的焊缝区纵向残余应力水平低于母材屈服强度,等强高胀匹配的焊缝区纵向残余应力水平还与焊缝应变硬化指数有关.测试结果也证实了部分计算结果.

Keyword:

焊接残余应力 有限元法 强度匹配 线膨胀系数匹配

Author Community:

  • [ 1 ] [林德超]北京市航空工艺技术研究所
  • [ 2 ] [史耀武]北京工业大学

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Source :

材料工程

ISSN: 1001-4381

Year: 1999

Issue: 6

Page: 24-26

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 12

Chinese Cited Count:

30 Days PV: 7

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