[1]刘 硕.耐酸管环焊接头失效与安全评价研究进展[J].焊管,2020,43(4):1-7.[doi:10.19291/j.cnki.1001-3938.2020.04.001]
 LIU Shuo.Research Progress on Failure and Safety Evaluation of Acid Resistant Pipe Girth Welding Joint[J].,2020,43(4):1-7.[doi:10.19291/j.cnki.1001-3938.2020.04.001]
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耐酸管环焊接头失效与安全评价研究进展()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
43
期数:
2020年第4期
页码:
1-7
栏目:
综述
出版日期:
2020-04-28

文章信息/Info

Title:
Research Progress on Failure and Safety Evaluation of
Acid Resistant Pipe Girth Welding Joint
文章编号:
10.19291/j.cnki.1001-3938.2020.04.001
作者:
刘 硕
宝山钢铁股份有限公司 中央研究院,上海 201999
Author(s):
LIU Shuo
Central Research Institute, Baoshan Iron & Steel Co., Ltd., Shanghai 201999, China
关键词:
耐酸管环焊接头断裂疲劳腐蚀安全评价
Keywords:
acid resistant pipe girth welding joint fracture fatigue corrosion safety evaluation
分类号:
TG113.25
DOI:
10.19291/j.cnki.1001-3938.2020.04.001
文献标志码:
A
摘要:
管道输送是石油天然气经济、安全、高效的输送方式,在整个管线系统中,环焊接头是结构上的最薄弱环节。由于焊接造成的接头组织、性能不均匀性,在服役条件下经常使环焊接头优先管体母材失效,并导致管线泄漏甚至断裂。在酸性介质环境服役的钢管,腐蚀介质与力学载荷耦合后将加速管道环焊接头失效。综述了耐酸管在酸性介质环境下的失效模式,包括腐蚀断裂、腐蚀疲劳、应力腐蚀、氢致开裂等,同时介绍了当前国际主流的管线钢管接头安全评价技术的研究进展,期望为行业与技术领域的发展提供参考。
Abstract:
Pipeline makes the oil and gas transportation economic, safe and efficient. In the whole pipeline system, the girth welding joint is the weakest link in the structure. Due to the non-uniformity of the joint structure and performance caused by welding, the girth welding joint often fails before the base metal under the service conditions, and the pipeline leaks or even breaks. For steel pipes in acidic environment, the coupling of the corrosion medium and the mechanical load will accelerate the failure of pipe girth welding joints. The failure modes of the acid resistant pipe in acid medium are summarized, including the corrosion fracture, corrosion fatigue, stress corrosion, hydrogen induced cracking, etc. At the same time, the research progress of the current international mainstream pipeline steel pipe joint safety evaluation technology is introduced, which is expected to provide reference for the future development of the industry and technology field.

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备注/Memo

备注/Memo:

收稿日期:2019-12-29

作者简介:刘   硕(1978—),高级工程师,国际焊接工程师(IWE),宝钢中央研究院焊接与腐蚀防护技术研究所高级主任研究员,青年研发骨干,主要从事高等级管线钢管以及高强钢焊接技术研究、用户使用技术策划与支持,授权发明专利20余项,发表核心期刊论文10余篇。

更新日期/Last Update: 2020-05-19