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Environmentally assisted crack growth in 308L stainless steel weld metal in simulated primary water
Dong, Lijin; Han, En-Hou; Peng, Qunjia; Ke, Wei; Wang, Lei; Han, EH (reprint author), Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China.
2017-03-01
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume117Pages:1-10
AbstractEnvironmentally assisted crack growth behavior of 308L stainless steel weld metal in simulated primary water was investigated. The results showed ultra-low stress corrosion crack growth in the weld metal. However, obvious environmental acceleration of fatigue crack growth was observed, which is increased by more aggressive water chemistry and gentle cyclic loading conditions. Further, the environmental fatigue crack growth rate of 308L weld metal was lower than that of 304 and 316 stainless steels under the same environmental and loading conditions. This was attributed to the retardation of crack growth by 8 ferrite phase. (C) 2016 Elsevier Ltd. All rights reserved.; Environmentally assisted crack growth behavior of 308L stainless steel weld metal in simulated primary water was investigated. The results showed ultra-low stress corrosion crack growth in the weld metal. However, obvious environmental acceleration of fatigue crack growth was observed, which is increased by more aggressive water chemistry and gentle cyclic loading conditions. Further, the environmental fatigue crack growth rate of 308L weld metal was lower than that of 304 and 316 stainless steels under the same environmental and loading conditions. This was attributed to the retardation of crack growth by 8 ferrite phase. (C) 2016 Elsevier Ltd. All rights reserved.
description.department[dong, lijin ; wang, lei] northeastern univ, key lab anisotropy & texture mat, minist educ, shenyang 110819, peoples r china ; [dong, lijin ; han, en-hou ; peng, qunjia ; ke, wei] chinese acad sci, inst met res, key lab nucl mat & safety assessment, shenyang 110016, peoples r china
KeywordStainless Steel Sem Corrosion Fatigue Stress Corrosion Welding
Subject AreaMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China [51571204]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78268
Collection中国科学院金属研究所
Corresponding AuthorHan, EH (reprint author), Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Dong, Lijin,Han, En-Hou,Peng, Qunjia,et al. Environmentally assisted crack growth in 308L stainless steel weld metal in simulated primary water[J]. CORROSION SCIENCE,2017,117:1-10.
APA Dong, Lijin,Han, En-Hou,Peng, Qunjia,Ke, Wei,Wang, Lei,&Han, EH .(2017).Environmentally assisted crack growth in 308L stainless steel weld metal in simulated primary water.CORROSION SCIENCE,117,1-10.
MLA Dong, Lijin,et al."Environmentally assisted crack growth in 308L stainless steel weld metal in simulated primary water".CORROSION SCIENCE 117(2017):1-10.
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