[1]任 武,荆 栋,王海飞,等.CT90级连续油管激光焊对接接头的组织及性能研究[J].焊管,2019,42(12):23-27.[doi:10.19291/j.cnki.1001-3938.2019.12.005]
 REN Wu,JING Dong,WANG Haifei,et al.Research on Microstructure and Properties of Laser Welding Butt Joint for CT90 Coiled Tubing[J].,2019,42(12):23-27.[doi:10.19291/j.cnki.1001-3938.2019.12.005]
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CT90级连续油管激光焊对接接头的组织及性能研究()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
42
期数:
2019年第12期
页码:
23-27
栏目:
应用与开发
出版日期:
2019-12-28

文章信息/Info

Title:
Research on Microstructure and Properties of Laser Welding Butt Joint for CT90 Coiled Tubing
文章编号:
10.19291/j.cnki.1001-3938.2019.12.005
作者:
任 武1荆 栋2王海飞3谭文锋1李 伟1
1. 中石油江汉机械研究所有限公司,武汉 430023;
2. 渤海石油装备新世纪机械制造有限公司,天津 300280;
3. 长庆油田分公司第三采油厂,银川 750000
Author(s):
REN Wu1 JING Dong2 WANG Haifei3 TAN Wenfeng1 LI Wei1
1. Jianghan Machinery Research Institute Limited Company of CNPC, Wuhan 430023, China;
2. Bohai Equipment New Century Machinery Manufacturing Co., Ltd., Tianjin 300280, China;
3. The 3rd Oil Production Plant of Petrochina Changqing Oilfield Company, Yinchuan 750000, China
关键词:
连续油管激光焊接接头疲劳性能抗腐蚀性能
Keywords:
coiled tubing laser welding butt joint fatigue property corrosion resistance
分类号:
TG456.7
DOI:
10.19291/j.cnki.1001-3938.2019.12.005
文献标志码:
B
摘要:
为了验证连续油管激光对接焊的可行性,使用IPG YLS-4000型光纤激光器对Φ38.1 mm CT90级连续油管进行了激光对接焊,并对对接接头的组织结构、力学性能、疲劳性能和耐腐蚀性进行了分析研究。结果表明,连续油管接头具有优异的抗疲劳性能,可达连续油管母材的72%(远高于氩弧焊制备的对接接头)。然而焊缝组织中大量出现的马氏体导致接头硬度偏高、耐蚀性下降的问题,还需进一步深入研究。
Abstract:
In order to verify the feasibility of coiled tubing laser butt welding,the laser butt welding for Φ38.1 mm CT90 coiled tubing was carried out using IPG YLS-4000 fiber laser device,the microstructure,mechanical properties,fatigue properties and corrosion resistance of the butt joint were analyzed. The results show that the fatigue resistance property of laser welding butt joint is excellent,which can reach 72% of the base metal of coiled tubing(it is much higher than that of the butt joint made by argon arc welding). However, a large amount of martensite in the weld microstructure leads to high hardness and decreases corrosion resistance of the joint,which needs further study.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2019-03-22
基金项目: 中国石油集团钻井工程技术研究院科学研究与技术开发课题“连续油管现场焊接关键技术研究”(项目编号DR 2017012)。
作者简介:任   武(1982—),高级工程师,2009年毕业于中国石油大学(北京)材料学专业,获硕士学位,现从事材料表面处理及腐蚀防护方面的工作。
更新日期/Last Update: 2020-01-16