[1]杨天冰,郭瑞杰,白世武,等.X70级管道环焊缝接头残余应力数值模拟[J].焊管,2008,31(4):21-27.[doi:1001－3938（2008）04－0021－07]
　YANG Tian-bing,GUO Rui-jie,BAI Shi-wu,et al.Residual Stress Simulation of X70 Pipeline Girth Welding Joint[J].,2008,31(4):21-27.[doi:1001－3938（2008）04－0021－07]
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X70级管道环焊缝接头残余应力数值模拟
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
31
期数:
2008年第4期
页码:
21-27
栏目:
试验与研究
出版日期:
2008-07-28

文章信息/Info

Title:
Residual Stress Simulation of X70 Pipeline Girth Welding Joint
文章编号:
1001－3938（2008）04－0021－07
作者:
杨天冰; 郭瑞杰; 白世武; 薛振奎
(中国石油天然气管道科学研究院)
Author(s):
YANG Tian-bing; GUO Rui-jie; BAI Shi-wu; XUE Zhen-kui
关键词:
X70级管线钢管; 环焊接头; 数值模拟; 热源; 温度场; 残余应力
Keywords:
X70 pipeline steel pipe; girth welding joint; numerical simulation; heat source; temperature field; residual stress
分类号:
TG406
DOI:
1001－3938（2008）04－0021－07
文献标志码:
A
摘要:
根据试验确定了X70级管线钢管环焊热源模型，并利用数值模拟软件Sysweld计算了焊接热循环过程，确定了焊接接头在焊接过程中温度和应力的变化过程及其分布，以及焊后残余应力的大小和分布。计算结果不仅可以预测焊后残余应力，还可以为优化焊接参数、改善焊接接头组织性能提供参考。
Abstract:
Aiming at X70 pipeline steel pipe，this paper establishes a heat source model of pipeline girth weld based on testing，and calculates welding heat cycle process by using numerical simulation software，and also determines variety process and distribution of temperature and stress in welding joint during welding，as well as  magnitude and distribution of residual stress post-weld. Calculation results not only predicts post weld residual stress，but also provides useful reference for optimizing welding parameters and improving joint’s micro-structure.

参考文献/References:

［1］薛振奎.国内长输管道下向焊用焊接材料的发展现状与建议［J］.机械工人（热加工）,2006(10):16－17.
［2］金晓军,霍立兴,张玉凤，等.双相不锈钢管道全位置焊接残余应力三维有限元数值模拟［J］.焊接学报,2004(2):52－56.
［3］董俊慧,林燕,林文光，等.相变对管道环焊缝残余应力的影响［J］.中国机械工程,2005(5):460－463.
［4］王希靖,郭瑞杰，阿荣，等.铝合金薄板搅拌摩擦焊温度场模型［J］.电焊机,2004(B05):116－119.

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备注/Memo

备注/Memo:
杨天冰（1974－），男，高级工程师，主要从事长输油气管道焊接工艺及相关设备的科研管理和技术开发工作。
收稿日期：2008－01－24
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