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Effect of stress-relief annealing on the fatigue properties of X80 welded pipes
Xu, Kai1; Qiao, Gui-ying1,2; Shi, Xian-bo3; Xiao, Fu-ren1
Corresponding AuthorShi, Xian-bo(xbshi@imr.ac.cn) ; Xiao, Fu-ren(frxiao@ysu.edu.cn)
2021-03-11
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume807Pages:11
AbstractWelding and mechanical expansion during the manufacture of X80 pipes can introduce and change the residual stress at welding joints, which has many adverse effects on the fatigue properties of in-service pipelines that experience cyclic stress due to pressure fluctuations. Stress-relief annealing is an effective way to change the residual stress distribution. In this work, changes in the strength, residual stress, and fatigue properties of original and plastically-deformed X80 welded pipes were compared after stress-relief annealing. The results showed that stress-relief annealing significantly improved the fatigue lives of the welded joints of X80 pipes, especially when performed after plastic deformation. High-energy dislocation motion was the main cause of changes in the residual stresses and fatigue properties, as shown by the changes in dislocation distribution and misorientation within grains.
KeywordX80 welded pipe Plastic deformation Stress-relief annealing Fatigue property
Funding OrganizationNational Key R&D Program of China ; National Natural Science Foundation of China
DOI10.1016/j.msea.2021.140854
Indexed BySCI
Language英语
Funding ProjectNational Key R&D Program of China[2108YFC0310302] ; National Key R&D Program of China[2108YFC0310304] ; National Natural Science Foundation of China[51671164]
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000623140500001
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/160935
Collection中国科学院金属研究所
Corresponding AuthorShi, Xian-bo; Xiao, Fu-ren
Affiliation1.Yanshan Univ, Hebei Key Lab Optimizing Met Prod Technol & Perfo, Coll Mat Sci & Engn, Key Lab Metastable Mat Sci & Technol, Qinhuangdao 066004, Hebei, Peoples R China
2.Yanshan Univ, Sch Environm & Chem Engn, Hebei Key Lab Appl Chem, Hebei Key Lab Heavy Met Deep Remediat Water & Res, Qinhuangdao 066004, Hebei, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Shenyang 110072, Peoples R China
Recommended Citation
GB/T 7714
Xu, Kai,Qiao, Gui-ying,Shi, Xian-bo,et al. Effect of stress-relief annealing on the fatigue properties of X80 welded pipes[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2021,807:11.
APA Xu, Kai,Qiao, Gui-ying,Shi, Xian-bo,&Xiao, Fu-ren.(2021).Effect of stress-relief annealing on the fatigue properties of X80 welded pipes.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,807,11.
MLA Xu, Kai,et al."Effect of stress-relief annealing on the fatigue properties of X80 welded pipes".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 807(2021):11.
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