[1]胡美娟,邵春明,李 鹤,等.HFW焊管残余应力分析[J].焊管,2016,39(4):45-48.[doi:10.19291/j.cnki.1001-3938.2016.04.011]
 HU Meijuan,SHAO Chunming,LI He,et al.Residual Stress Analysis of HFW Pipe[J].,2016,39(4):45-48.[doi:10.19291/j.cnki.1001-3938.2016.04.011]
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HFW焊管残余应力分析
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
39
期数:
2016年第4期
页码:
45-48
栏目:
经验交流
出版日期:
2016-04-28

文章信息/Info

Title:
Residual Stress Analysis of HFW Pipe
文章编号:
10.19291/j.cnki.1001-3938.2016.04.011
作者:
胡美娟1邵春明2李 鹤1封 辉1池 强1
1. 中国石油集团石油管工程技术研究院, 西安 710077;
2. 中石油管道联合有限公司西部分公司, 乌鲁木齐 830013
Author(s):
HU Meijuan1 SHAO Chunming2 LI He1 FENG Hui1 CHI Qiang1
1. CNPC Tubular Goods Research Institute, Xi’an 710077, China;
2. PetroChina West Pipeline Company, Urumqi 830013, China
关键词:
L415MB电阻焊管小孔检测法残余应力
Keywords:
L415MB electric resistance weld pipe hole-drilling technique residual stress
分类号:
TG404
DOI:
10.19291/j.cnki.1001-3938.2016.04.011
文献标志码:
B
摘要:
采用小孔检测法研究了规格Φ406.4 mm×12.5 mm、钢级L415MB的HFW焊管残余应力的分布情况。试验结果表明,HFW焊管整体残余应力值较小,并且轴向残余应力大于环向残余应力,轴向和环向最大值分别约为母材屈服强度的38%和29%;HFW电阻焊焊缝及其附近区域的残余应力值低于管体区域,轴向和环向残余应力的变化范围分别约为母材屈服强度的24.5%~33.6%和16.4%~21.5%;HFW电阻焊管轴向和环向残余应力的差异呈周期性变化,距离焊缝15°附近时差异最小。试验结果对于HFW电阻焊管在长输管线的应用提供理论支持。
Abstract:
The distribution of residual stress on L415MB HFW pipe with the dimension of Φ406.4 mm×12.5 mm was studied by the hole-drilling technique. The results indicated that overall residual stress value was rather small. The value of axial stress was larger than that of the circumferential stress. The highest values of axial and circumferential stress were respectively about 38% and 28% of base metal yield strength. The residual stress value in the vicinity of weld seam was smaller than the value in the pipe body. The highest axial and circumferential stress values changed in the range of 24.5%~33.6% and 16.4%~21.5%. The difference of axial and circumferential residual stress changed periodically, the minimum value appeared every 15° away from the weld seam. The test results provided theoretical support for application of HFW pipe in long-distance pipeline.

参考文献/References:

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相似文献/References:

[1]胡松林.焊接频率对电阻焊管焊接质量的影响[J].焊管,2021,44(4):65.[doi:10.19291/j.cnki.1001-3938.2021.04.014]
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备注/Memo

备注/Memo:
收稿日期: 2015-12-21
作者简介: 胡美娟(1981—), 女, 河南平顶山人, 工程师, 主要研究方向为管线钢的焊接。
更新日期/Last Update: