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Mo Effect on Natural Passivation and Corrosion Behavior of Duplex Stainless Steels in Alkaline Media
Yuan,Xuwen1,2; Li,Wentao1,2; Wang,Xuan1,2; Yang,Huaiyu1
Corresponding AuthorYuan,Xuwen() ; Yang,Huaiyu()
2020-12-01
Source PublicationJournal of The Electrochemical Society
ISSN0013-4651
Volume167Issue:16
AbstractThe role of Mo in the natural passivation behavior and pitting corrosion resistance of duplex stainless steels (DSSs) in alkaline medium was investigated by X-ray photoelectron spectroscopy and electrochemical analyses as a function of immersion time. It is shown that the Mo participated directly in the formation process of natural passive film, which affected the chemical distribution and thickness of the film by modifying the contents of other species (e.g. Cr oxide). With the increasing of prepassivation time, the oxidized Cr species were gradually enriched in the passive film, and the corrosion resistance of DSSs in alkaline solution containing Cl? was enhanced. Mo greatly improved the pitting corrosion resistance and the tolerance to Cl? attack of the passive film formed on DSS surface by inhibiting the initiation and growth of pitting.
Keywordduplex stainless steel passive film surface analysis prepassivation alkaline solution
DOI10.1149/1945-7111/abd36f
Language英语
WOS IDIOP:0013-4651-167-16-abd36f
PublisherIOP Publishing
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80691
Collection中国科学院金属研究所
Corresponding AuthorYuan,Xuwen; Yang,Huaiyu
Affiliation1.Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, People’s Republic of China
2.School of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, People’s Republic of China
Recommended Citation
GB/T 7714
Yuan,Xuwen,Li,Wentao,Wang,Xuan,et al. Mo Effect on Natural Passivation and Corrosion Behavior of Duplex Stainless Steels in Alkaline Media[J]. Journal of The Electrochemical Society,2020,167(16).
APA Yuan,Xuwen,Li,Wentao,Wang,Xuan,&Yang,Huaiyu.(2020).Mo Effect on Natural Passivation and Corrosion Behavior of Duplex Stainless Steels in Alkaline Media.Journal of The Electrochemical Society,167(16).
MLA Yuan,Xuwen,et al."Mo Effect on Natural Passivation and Corrosion Behavior of Duplex Stainless Steels in Alkaline Media".Journal of The Electrochemical Society 167.16(2020).
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