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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
发表期刊CORROSION SCIENCE
ISSN0010-938X
卷号132页码:9-20
摘要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.; 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.
部门归属[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
关键词Low-alloy Steel High-temperature Water Heat-affected Zone Bwr Coolant Environments Grain-boundary Metal Weld Assisted Cracking Stainless-steel Chromium Depletion Residual-stress
学科领域Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
资助者National Natural Science Foundation of China [51571204, 51475362]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/79469
专题中国科学院金属研究所
通讯作者Peng, QJ (reprint author), Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Liaoning, Peoples R China.
推荐引用方式
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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