[1]赵金兰,雷俊杰,王高峰,等.油气输送管道对接环焊缝缺陷检测分析[J].焊管,2013,36(11):43-47.[doi:1001-3938(2013)11-0043-05]
 ZHAO Jinlan,LEI Junjie,WANG Gaofeng,et al.Detection Analysis of Oil and Gas Transportation Pipeline Butt Joint Circumferential Weld Defects[J].,2013,36(11):43-47.[doi:1001-3938(2013)11-0043-05]
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油气输送管道对接环焊缝缺陷检测分析
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
36
期数:
2013年第11期
页码:
43-47
栏目:
经验交流
出版日期:
2013-11-28

文章信息/Info

Title:
Detection Analysis of Oil and Gas Transportation Pipeline Butt Joint
 Circumferential Weld Defects
文章编号:
1001-3938(2013)11-0043-05
作者:
赵金兰12雷俊杰3王高峰12刘迎来12聂向辉12杨专钊12张 珂4
(1. 北京隆盛泰科石油管科技有限公司,北京 100101;
2. 中国石油集团石油管工程技术研究院,西安 710065;
3. 西安应用光学研究所,西安 710065;
4. 中航工业西安飞行自动控制研究所,西安710065)
Author(s):
ZHAO Jinlan12 LEI Junjie3 WANG Gaofeng12 LIU Yinglai12 NIE Xianghui12YANG Zhuanzhao12 ZHANG Ke4
(1. Beijing Longshine Oil Tubular Technology Co., Ltd., Beijing 100101, China;
2. CNPC Tubular Goods Research Institute , Xi’an 710065, China;
3. Xi’an Institute of Applied Optics , Xi’an 710065, China;
4. Avic Xi’an Flight Automatic Control Research Institute, Xi’an 710065, China)
关键词:
焊管环焊缝焊瘤气孔内凹未熔合夹渣
Keywords:
welded pipe circumferential weld weld beading porosity indent incomplete fusion slag inclusion
分类号:
TE973
DOI:
1001-3938(2013)11-0043-05
文献标志码:
B
摘要:
通过X射线检测、金相组织检测、扫描及能谱分析,对某油气输送管道对接环焊缝缺陷及形成原因进行了分析。结果表明,环焊接头中存在焊瘤、密集气孔、内凹(焊道未填满)、未熔合和夹渣缺陷,缺陷处易产生应力集中,成为裂纹源。建议在油气管道对接环焊缝焊接操作时,一要保证管口组对精度,以减小错边、侧壁未熔合的可能性,二要选择合适的焊接方法。
Abstract:
The detection and analysis on defects and forming reason of some oil and gas transportation pipeline circumferential weld were conducted through X-ray detection, metallographic analysis, scanning electron microscope (SEM) and energy spectrum analysis. The result showed that some defects existed in circumferential welded joint, such as weld beading, porosity, indent (weld incompletely filled), incomplete fusion and slag inclusion, stress concentration easily appear in defect, turn into crack source. It suggests in welding operation of oil and gas transportation pipeline circumferential weld, on the one hand, to guarantee assembly accuracy of pipe end to decrease the possibility of offset and incomplete fusion in side wall; on the other hand to choose suitable welding method.

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备注/Memo

备注/Memo:
收稿日期:2013-04-09
作者简介:赵金兰(1982—),女,工程师,硕士研究生,主要从事石油管道技术支持工作。
更新日期/Last Update: