[1]白咚咚,李霄,朱丽霞,等.层间温度对X80钢管多道环焊接头残余应力的影响[J].焊管,2023,46(1):7-12.[doi:10.19291/j.cnki.1001-3938.2023.01.002]
 BAI Dongdong,LI Xiao,et al.Effect of Interpass Temperature on Residual Stress of Multipass Girth Welding Joint of X80 Steel Pipe[J].,2023,46(1):7-12.[doi:10.19291/j.cnki.1001-3938.2023.01.002]
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层间温度对X80钢管多道环焊接头残余应力的影响()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
46
期数:
2023年第1期
页码:
7-12
栏目:
试验与研究
出版日期:
2023-01-28

文章信息/Info

Title:
Effect of Interpass Temperature on Residual Stress of Multipass Girth Welding Joint of X80 Steel Pipe
文章编号:
10.19291/j.cnki.1001-3938.2023.01.002
作者:
白咚咚李霄朱丽霞牛辉贾海席敏敏
1. 西安石油大学 材料科学与工程学院,西安 710065; 2. 西安市高性能油气田材料重点实验室,西安 710065;3. 中国石油集团工程材料研究院有限公司,西安 710077; 4. 中油国家石油天然气管材工程技术研究中心有限公司,西安 710018;5. 宝鸡石油钢管有限责任公司,陕西 宝鸡 721008;6. 管网集团(新疆)联合管道有限责任公司,乌鲁木齐 830013
Author(s):
BAI Dongdong1 2 LI Xiao1 2 ZHU Lixia3 NIU Hui4 5 JIA Haidong6 XI Minmin4 5
1. School of Material Science and Engineering, Xi’an Shiyou University, Xi’an 710065, China;2. Xi’an Key Laboratory of High Performance Oil and Gas Field Materials, Xi’an 710065, China; 3. CNPC Tubular Goods Research Institute, Xi’an 710077, China; 4. Chinese National Engineering Research Center for Petroleum and Natural Gas Tubular Goods Co., Ltd., Xi’an 710018, China; 5. Baoji Petroleum Steel Pipe Co., Ltd., Baoji 721008, Shaanxi, China; 6. Pipe Network Group (Xinjiang) United Pipeline Co., Ltd., Urumqi 830013, China)
关键词:
X80钢管环焊缝接头残余应力层间温度多道焊
Keywords:
X80 steel pipe girth welding joints residual stress interpass temperature multipass welding
分类号:
TG407
DOI:
10.19291/j.cnki.1001-3938.2023.01.002
文献标志码:
A
摘要:
采用热电偶测量了X80钢管多道环焊接头焊接过程中的热循环,焊后采用盲孔法测量了焊接残余应力,建立了残余应力数值分析模型,并通过试验数据进行了校验,分析了层间温度偏离对残余应力的影响。研究结果表明:不同层间温度下,接头焊缝及热影响区拉应力较高,母材拉应力较低,在母材位置呈现拉-压应力转变。层间温度的改变对接头轴向应力的影响不明显,但对周向应力、等效应力的影响较大。当层间温度为248 ℃时峰值残余应力最低,考虑到经济和时间成本,生产实践中层间温度达到220 ℃时即可。
Abstract:
Thermocouple is used to measure the thermal cycle in the welding process of multipass girth welding joint of X80 steel pipe . After welding, residual stress is measured by blind hole method. The numerical analysis model of residual stress is established, and the effect of temperature deviation between layers on residual stress is verified by experimental data. The results show that at different interpass temperatures, the tensile stress in the weld and heat?ffected zone is higher, while the tensile stress in base meta is lower, showing a pull?ompression stress transition at the base metal position. The change of interpass temperature has no significant effect on the axial stress of the joints, but has a greater influence on the circumferential stress and the equivalent stress. Peak residual stress is lowest when the interlayer temperature is 248 ℃. Considering economic and time costs, the interpass temperature reaches 220 ℃ in production practice.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2022-09-13基金项目: 中国石油天然气集团公司科技项目“油气田站场完整性管理技术研究”(项目编号CNPC2021DJ2804)。作者简介:白咚咚(1998—),男,陕西榆林人,硕士研究生,主要研究方向为焊接应力与结构分析。
更新日期/Last Update: 2023-02-14