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Environmentally assisted cracking in the fusion boundary region of a SA508-Alloy 52M dissimilar weld joint in simulated primary pressurized water reactor environments
Dong, Lijin1,2; Zhang, Yan1; Han, Yaolei2,3; Peng, Qunjia2,3; Han, En-Hou2
Corresponding AuthorDong, Lijin(ljdong89@163.com) ; Peng, Qunjia(pengqunjia@yahoo.com)
2021-09-01
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume190Pages:13
AbstractEnvironmentally assisted cracking behavior in both parallel and perpendicular directions to the fusion boundary (FB) of SA508-Alloy 52M weld joint were investigated. The grain boundaries of dilution zone adjacent to the FB are more prone to cracking than the FB. Strength mismatch and galvanic corrosion promote crack initiation along the FB or the partially mixed zone/low alloy steel interface with the loading direction vertical to the FB. In addition, the FB hinders crack growth perpendicular to the FB, most likely because severe pitting decreases the crack tip stress/strain and oxidation along the FB increases the crack growth distance.
KeywordA Nickel A Low alloy steel B TEM C Stress corrosion C Corrosion fatigue C Welding
Funding OrganizationNational Natural Science Foundation of China ; Gusu Innovation Leader Talents Program ; Natural Science Foundation of Jiangsu Province ; Youth Scientific and Innovation Research Team for Advanced Surface Functional Materials
DOI10.1016/j.corsci.2021.109668
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[52001264] ; Gusu Innovation Leader Talents Program[ZXL2017112] ; Natural Science Foundation of Jiangsu Province[BK20180210] ; Natural Science Foundation of Jiangsu Province[BK20181177] ; Youth Scientific and Innovation Research Team for Advanced Surface Functional Materials[2018CXTD06]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000686162100003
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/159277
Collection中国科学院金属研究所
Corresponding AuthorDong, Lijin; Peng, Qunjia
Affiliation1.Southwest Petr Univ, Sch New Energy & Mat, Chengdu 610500, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China
3.Suzhou Nucl Power Res Inst, Suzhou 215004, Peoples R China
Recommended Citation
GB/T 7714
Dong, Lijin,Zhang, Yan,Han, Yaolei,et al. Environmentally assisted cracking in the fusion boundary region of a SA508-Alloy 52M dissimilar weld joint in simulated primary pressurized water reactor environments[J]. CORROSION SCIENCE,2021,190:13.
APA Dong, Lijin,Zhang, Yan,Han, Yaolei,Peng, Qunjia,&Han, En-Hou.(2021).Environmentally assisted cracking in the fusion boundary region of a SA508-Alloy 52M dissimilar weld joint in simulated primary pressurized water reactor environments.CORROSION SCIENCE,190,13.
MLA Dong, Lijin,et al."Environmentally assisted cracking in the fusion boundary region of a SA508-Alloy 52M dissimilar weld joint in simulated primary pressurized water reactor environments".CORROSION SCIENCE 190(2021):13.
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