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Enhancing Pitting Corrosion Resistance of Severely Cold-Worked High Nitrogen Austenitic Stainless Steel by Nitric Acid Passivation
Li, Jun1,2; Wang, Qingchuan1; Yang, Yixun1,2; Wu, Zhiqiang3; Tan, Lili1; Ren, Yibin4; Yang, Ke1
Corresponding AuthorWang, Qingchuan(qcwang11s@imr.ac.cn) ; Yang, Ke(kyang@imr.ac.cn)
2019-08-09
Source PublicationJOURNAL OF THE ELECTROCHEMICAL SOCIETY
ISSN0013-4651
Volume166Issue:13Pages:C365-C374
AbstractNitric acid passivation was applied on a high nitrogen austenitic stainless steel (HNS) to improve its pitting corrosion resistance which was obviously decreased by severe cold deformation. According to cyclic polarization and immersion results, the pitting corrosion resistance of HNS was found significantly improved by passivation and further enhanced with increase of the passivation temperature. In addition, severely cold-worked HNS passivated at 75 degrees C obtained much better pitting corrosion resistance, as its pit density was decreased by more than 50% compared with unpassivated solution-treated HNS. But cold-worked matrix showed a weaker passive film formation ability. Based on electrochemical results and XPS analyses, this improvement was attributed to the sharp increase of Cr oxide enrichment and the clear decrease of cation vacancy density of passive films. Besides, the dissolution of MnS inclusion had no effect on the improvement of pitting corrosion resistance. (C) 2019 The Electrochemical Society.
Funding OrganizationNational Natural Science Foundation of China
DOI10.1149/2.0211913jes
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51801220]
WOS Research AreaElectrochemistry ; Materials Science
WOS SubjectElectrochemistry ; Materials Science, Coatings & Films
WOS IDWOS:000480517200001
PublisherELECTROCHEMICAL SOC INC
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/135066
Collection中国科学院金属研究所
Corresponding AuthorWang, Qingchuan; Yang, Ke
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Liaoning, Peoples R China
3.Northeastern Univ, State Key Lab Rolling & Automat, Shenyang 110819, Liaoning, Peoples R China
4.Shenyang Ligong Univ, Sch Mat Sci & Engn, Shenyang 110159, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Li, Jun,Wang, Qingchuan,Yang, Yixun,et al. Enhancing Pitting Corrosion Resistance of Severely Cold-Worked High Nitrogen Austenitic Stainless Steel by Nitric Acid Passivation[J]. JOURNAL OF THE ELECTROCHEMICAL SOCIETY,2019,166(13):C365-C374.
APA Li, Jun.,Wang, Qingchuan.,Yang, Yixun.,Wu, Zhiqiang.,Tan, Lili.,...&Yang, Ke.(2019).Enhancing Pitting Corrosion Resistance of Severely Cold-Worked High Nitrogen Austenitic Stainless Steel by Nitric Acid Passivation.JOURNAL OF THE ELECTROCHEMICAL SOCIETY,166(13),C365-C374.
MLA Li, Jun,et al."Enhancing Pitting Corrosion Resistance of Severely Cold-Worked High Nitrogen Austenitic Stainless Steel by Nitric Acid Passivation".JOURNAL OF THE ELECTROCHEMICAL SOCIETY 166.13(2019):C365-C374.
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