[1]李美艳,王勇,宋立新,等.管线钢在役焊接接头残余应力的数值模拟[J].焊管,2011,34(7):18-22.
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管线钢在役焊接接头残余应力的数值模拟
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
34
期数:
2011年第7期
页码:
18-22
栏目:
试验与研究
出版日期:
2011-07-28

文章信息/Info

Title:
Analysis of Residual Stress of In-service Welding onto the Pipeline Steel
作者:
李美艳王勇宋立新韩彬
关键词:
在役焊接残余应力数值模拟SYSWELD
文献标志码:
A
摘要:
采用SYSWELD焊接模拟软件对X70管线钢在役焊接接头残余应力进行模拟,主要考察焊接工艺、在役条件和管道结构对X70压力管线在役焊接接头残余应力的影响规律。结果表明:在役焊接接头的残余应力更为复杂,且大于常规焊接。随着焊接热输入量的增加,在役焊接接头残余应力增大;增加运行管线内介质流速,接头残余应力减小;随着管道压力和管道外径的增加,近缝区轴向残余应力减小,环向残余应力增大。

参考文献/References:

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备注/Memo

备注/Memo:
作者简介:李美艳(1982—),女,博士,主要从事金属材料失效分析及表面处理。
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