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Correlation of microstructure and stress corrosion cracking initiation behaviour of the fusion boundary region in a SA508 Cl. 3-Alloy 52M dissimilar weld joint in primary pressurized water reactor environment
Dong, LJ; Peng, QJ; Xue, H; Han, EH; Ke, W; Wang, L; Peng, QJ (reprint author), Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Liaoning, Peoples R China.
2018-03-01
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume132Pages:9-20
AbstractCorrelation of microstructure and stress corrosion cracking (SCC) initiation behaviour of the fusion boundary (FB) region in a SA508 Cl. 3-Alloy 52M weld joint in primary pressurized water reactor environment was investigated. Cr-depletion at the grain boundary and strength mismatch in the FB region are the two causes for SCC initiation in the FB region. The partially mixed zone between the dilution zone (DZ) of Alloy 52M and SA508 Cl. 3 has a retardation effect on SCC initiation. This is attributed to the decrease of strength mismatch and the alleviation of strain concentration adjacent to the grain boundary in DZ.; Correlation of microstructure and stress corrosion cracking (SCC) initiation behaviour of the fusion boundary (FB) region in a SA508 Cl. 3-Alloy 52M weld joint in primary pressurized water reactor environment was investigated. Cr-depletion at the grain boundary and strength mismatch in the FB region are the two causes for SCC initiation in the FB region. The partially mixed zone between the dilution zone (DZ) of Alloy 52M and SA508 Cl. 3 has a retardation effect on SCC initiation. This is attributed to the decrease of strength mismatch and the alleviation of strain concentration adjacent to the grain boundary in DZ.
description.department[dong, lijin ; peng, qunjia ; han, en-hou ; ke, wei] chinese acad sci, inst met res, key lab nucl mat & safety assessment, shenyang 110016, liaoning, peoples r china ; [dong, lijin ; wang, lei] northeastern univ, minist educ, key lab anisotropy & texture mat, shenyang 110819, liaoning, peoples r china ; [xue, he] xian univ sci & technol, sch mech engn, xian 710054, shaanxi, peoples r china
KeywordLow-alloy Steel High-temperature Water Heat-affected Zone Bwr Coolant Environments Grain-boundary Metal Weld Assisted Cracking Stainless-steel Chromium Depletion Residual-stress
Subject AreaMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China [51571204, 51475362]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79469
Collection中国科学院金属研究所
Corresponding AuthorPeng, QJ (reprint author), Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Dong, LJ,Peng, QJ,Xue, H,et al. Correlation of microstructure and stress corrosion cracking initiation behaviour of the fusion boundary region in a SA508 Cl. 3-Alloy 52M dissimilar weld joint in primary pressurized water reactor environment[J]. CORROSION SCIENCE,2018,132:9-20.
APA Dong, LJ.,Peng, QJ.,Xue, H.,Han, EH.,Ke, W.,...&Peng, QJ .(2018).Correlation of microstructure and stress corrosion cracking initiation behaviour of the fusion boundary region in a SA508 Cl. 3-Alloy 52M dissimilar weld joint in primary pressurized water reactor environment.CORROSION SCIENCE,132,9-20.
MLA Dong, LJ,et al."Correlation of microstructure and stress corrosion cracking initiation behaviour of the fusion boundary region in a SA508 Cl. 3-Alloy 52M dissimilar weld joint in primary pressurized water reactor environment".CORROSION SCIENCE 132(2018):9-20.
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