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Effects of 405 stainless steel on crevice corrosion behavior of Alloy 690 in high-temperature pure water
Ning, Fangqiang1,2; Tan, Jibo1; Wu, Xinqiang1
Corresponding AuthorWu, Xinqiang(xqwu@imr.ac.cn)
2020-06-15
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume47Pages:76-87
AbstractEffects of 405 stainless steel (405 SS) on crevice corrosion behavior of Alloy 690 in high-temperature pure water were investigated. Results revealed that the corrosion rate of Alloy 690 was low within the crevice. It was likely attributed to the fact that a Cr-rich inner oxide film and a Ni-rich layer beneath this oxide film formed upon Alloy 690, inhibiting the diffusion of oxygen towards the oxide/matrix interface. Moreover, the Fe2+ ions dissolved from 405 SS consumed most of oxygen, leading to less oxygen participating in the oxidation of Alloy 690. In addition, it was found that Fe concentration continuously decreased from the surface of the inner oxide film to the oxide/matrix interface of Alloy 690 within the crevice, which was probably due to the diffusion of Fe2+ ions dissolved from 405 SS into the inner oxide film. (C) 2020 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordAlloy High-temperature corrosion Crevice corrosion Oxidation
Funding OrganizationNational Natural Science Foundation of China ; National Science and Technology Major Project ; Key Programs of the Chinese Academy of Sciences Research on the Development of Nuclear Power Materials and Service Security Technology ; Innovation Fund of Institute of Metal Research, Chinese Academy of Sciences
DOI10.1016/j.jmst.2020.02.004
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51671201] ; National Science and Technology Major Project[2017ZX06002003-004-002] ; Key Programs of the Chinese Academy of Sciences Research on the Development of Nuclear Power Materials and Service Security Technology[ZDRW-CN-2017-1] ; Innovation Fund of Institute of Metal Research, Chinese Academy of Sciences[SCJJ-2013-ZD-02]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000526956900009
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/138425
Collection中国科学院金属研究所
Corresponding AuthorWu, Xinqiang
Affiliation1.Chinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, Liaoning Key Lab Safety & Assessment Tech Nucl Ma, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
Recommended Citation
GB/T 7714
Ning, Fangqiang,Tan, Jibo,Wu, Xinqiang. Effects of 405 stainless steel on crevice corrosion behavior of Alloy 690 in high-temperature pure water[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2020,47:76-87.
APA Ning, Fangqiang,Tan, Jibo,&Wu, Xinqiang.(2020).Effects of 405 stainless steel on crevice corrosion behavior of Alloy 690 in high-temperature pure water.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,47,76-87.
MLA Ning, Fangqiang,et al."Effects of 405 stainless steel on crevice corrosion behavior of Alloy 690 in high-temperature pure water".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 47(2020):76-87.
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