[1]张鸿博,王高峰,任国琪,等.DN1 200 mm钢管螺旋焊缝焊接温度场及应力场有限元分析[J].焊管,2022,45(1):5-9,15.[doi:10.19291/j.cnki.1001-3938.2022.01.002]
 ZHANG Hongbo,WANG Gaofeng,REN Guoqi,et al.Finite Element Analysis of Welding Temperature Field and Stress Field of Spiral Weld of DN1 200 mm Steel Pipe[J].,2022,45(1):5-9,15.[doi:10.19291/j.cnki.1001-3938.2022.01.002]
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DN1 200 mm钢管螺旋焊缝焊接温度场及应力场有限元分析()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
45
期数:
2022年第1期
页码:
5-9,15
栏目:
试验与研究
出版日期:
2022-01-28

文章信息/Info

Title:
Finite Element Analysis of Welding Temperature Field and Stress Field of Spiral Weld of DN1 200 mm Steel Pipe
文章编号:
10.19291/j.cnki.1001-3938.2022.01.002
作者:
张鸿博王高峰任国琪张 良张 皓邓 波袁战伟
1.中国石油集团石油管工程技术研究院, 西安 710077; 2. 石油管道及装备材料服役行为与结构安全国家重点实验室, 西安 710077; 3. 长安大学 工程机械学院, 西安 710077
Author(s):
ZHANG Hongbo WANG Gaofeng REN Guoqi ZHANG Liang ZHANG Hao DENG Bo YUAN Zhanwei
1. Tubular Goods Research Center of CNPC, Xi’an 710077, China; 2. State Key Laboratory of Performance and Structure Safety of Petroleum Tubular Goods and Equipment Materials, Xi’an 710077, China;3. School of Construction Machinery, Chang’an University, Xi’an 710077, China
关键词:
螺旋焊缝有限元分析热源子程序温度场应力场变形场
Keywords:
spiral weld finite element analysis heat source subroutine temperature field stress field deformation field
分类号:
TG444.72
DOI:
10.19291/j.cnki.1001-3938.2022.01.002
文献标志码:
A
摘要:
为了研究X80管线钢在焊接过程中温度场及应力场的分布情况,以DN 1 200 mm X80螺旋焊管为研究对象,采用有限元分析软件Abaqus分别沿着管道的内螺旋线和外螺旋线进行焊接模拟。结果表明,焊接过程中热源中心最高温度可达1 650 ℃。在焊接内圈时,温度场对称分布;而在焊接外圈时,温度场分布不对称。在焊接完内圈的瞬间,接头最高温度约1 200 ℃,管道内侧的应力峰值为850 MPa。在焊接完外圈的瞬间,接头最高温度为1 300 ℃左右,管道内侧的应力峰值约为620 MPa。管道内侧焊接完成后,在对管道外侧焊接过程中,外侧焊缝处产生的应力场不仅使峰值应力降低,还使应力分布变得更加均匀。试验表明,通过分析内外螺旋焊缝的温度场和应力场分布以及形变情况,对于在焊接过程中内焊裂纹的预防有重要意义。
Abstract:
In order to study the distribution of temperature field and stress field of X80 pipeline steel during welding, X80 spiral welded pipe is taken as the research object, and the finite element analysis software Abaqus is used to simulate the welding along the inner and outer helix of the pipe respectively. The results show that the maximum temperature of the heat source center in the welding process can reach 1 650 ℃. When welding the inner ring, the temperature field is symmetrically distributed. When welding the outer ring, the temperature field distribution is asymmetric. At the moment when the inner ring is welded, the maximum temperature of the joint is about 1 200 ℃, and the peak stress inside the pipe is 850 MPa. At the moment when the outer ring is welded, the maximum temperature is about 1 300 ℃, and the peak stress on the inner side of the pipe is about 620 MPa. After the inner side of the pipe is welded, in the process of the outer side welding of the pipe, the stress field generated at the outer weld not only reduces the peak stress, but also makes the stress distribution more uniform. The test shows that analyzing the distribution of temperature field, stress field and deformation of internal and external spiral welds is of great significance for the prevention of internal welding cracks in the welding process.

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备注/Memo

备注/Memo:
收稿日期:2021-07-14作者简介:张鸿博(1973—),男,高级工程师,现主要从事石油管材与装备的无损检测与试验评价工作。
更新日期/Last Update: 2022-02-10