[1]彭景亮,陈丹发,李 沛,等.SUS304不锈钢管对接焊缝的残余应力及变形的数值模拟[J].焊管,2019,42(2):42-46.[doi:10.19291/j.cnki.1001-3938.2019.2.007]
　PENG Jingliang,CHEN Danfa,LI Pei,et al.Numerical Simulation of Residual Stress and Deformation in Butt Weld of SUS304 Stainless Steel Pipe[J].,2019,42(2):42-46.[doi:10.19291/j.cnki.1001-3938.2019.2.007]
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SUS304不锈钢管对接焊缝的残余应力及变形的数值模拟()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
42
期数:
2019年第2期
页码:
42-46
栏目:
应用与开发
出版日期:
2019-02-28

文章信息/Info

Title:
Numerical Simulation of Residual Stress and Deformation in Butt
Weld of SUS304 Stainless Steel Pipe
文章编号:
10.19291/j.cnki.1001-3938.2019.2.007
作者:
彭景亮1; 陈丹发1; 李 沛1; 胡 兴2
1. 中国葛洲坝集团股份有限公司， 武汉 430000；
2. 重庆大学 材料科学与工程学院， 重庆 400044
Author(s):
PENG Jingliang1;   CHEN Danfa1;   LI Pei1;   HU Xing2
1. China Ge Zhou Ba Group Co., Ltd., Wuhan 430000, China;
2. College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China
关键词:
SUS304不锈钢管; 有限元计算方法; 残余应力; 变形
Keywords:
SUS304 stainless steel pipe;  finite element method;  residual stress;  deformation
分类号:
TG404
DOI:
10.19291/j.cnki.1001-3938.2019.2.007
文献标志码:
A
摘要:
基于ABAQUS软件平台，利用所开发的热弹塑性非线性有限元计算方法对SUS304不锈钢管焊接残余应力和变形进行模拟。通过建立和试样尺寸一致的三维有限元模型和等密度移动热源模型对温度场进行了计算，并通过顺序耦合方法对应力变形场进行了模拟计算。结果表明，数值模拟计算得到的熔池形貌和试验结果吻合良好，验证了该计算方法的有效性；钢管内壁和外壁的轴向残余应力随角度的变化改变不大，而环向残余应力则对角度的变化比较敏感，并且整个工件在轴向和环向都产生收缩变形。
Abstract:
Based on the ABAQUS commercial software platform, the thermal elastic-plastic nonlinear finite element method was used to simulate the welding residual stress and deformation of SUS304 stainless steel tube welding. The temperature field calculation is performed by establishing a three-dimensional finite element model and an equal-density moving heat source model that are consistent with the sample size. At the same time, the stress deformation field was simulated by the sequential coupling method. The results show that the morphology of the molten pool obtained by numerical simulation agrees well with the experimental results. The results show that the morphology of the molten pool obtained by numerical simulation agrees well with the experimental results, and the effectiveness of the simulation method is verified. The axial residual stress of the inner and outer walls of the steel pipe does not change much with the change of the angle, while the circumferential residual stress is sensitive to the change of the angle, and the whole workpiece is contracted and deformed in the axial direction and the circumferential direction.

参考文献/References:

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备注/Memo

备注/Memo:

收稿日期：2018-11-17

作者简介：彭景亮（1962—），男，教授级高级工程师，长期从事水工金属结构研究工作。

更新日期/Last Update: 2019-03-20