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Eliminating detrimental effect of cold working on pitting corrosion resistance in high nitrogen austenitic stainless steels
Wang, Qingchuan; Zhang, Bingchun; Ren, Yibin; Yang, Ke; Yang, K (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.
2017-07-15
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume123Pages:351-355
AbstractThe detrimental effect of cold working on pitting corrosion resistance was surprisingly found totally eliminated in high nitrogen stainless steels (HNS) with higher nitrogen content (0.92 wt.%) by electrochemical tests in chloride solution. Inclusions morphology and microstructure of cold-worked HNS were investigated. Then the passive film on HNS was analyzed by secondary ion mass spectroscopy (SIMS). For the first time nitrogen enrichment as a form of short range ordered [CrN] was observed in the chromium oxide layer of passive film on HNS. A possible reaction involving nitrogen enrichment is proposed to elucidate this exceptional behavior of corrosion resistance for HNS.; The detrimental effect of cold working on pitting corrosion resistance was surprisingly found totally eliminated in high nitrogen stainless steels (HNS) with higher nitrogen content (0.92 wt.%) by electrochemical tests in chloride solution. Inclusions morphology and microstructure of cold-worked HNS were investigated. Then the passive film on HNS was analyzed by secondary ion mass spectroscopy (SIMS). For the first time nitrogen enrichment as a form of short range ordered [CrN] was observed in the chromium oxide layer of passive film on HNS. A possible reaction involving nitrogen enrichment is proposed to elucidate this exceptional behavior of corrosion resistance for HNS.
description.department[wang, qingchuan ; zhang, bingchun ; ren, yibin ; yang, ke] chinese acad sci, inst met res, shenyang 110016, peoples r china
KeywordStainless Steels Cold Working Pitting Corrosion Passive Film Nitrogen Enrichment
Subject AreaMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China [31370976]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78044
Collection中国科学院金属研究所
Corresponding AuthorYang, K (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Wang, Qingchuan,Zhang, Bingchun,Ren, Yibin,et al. Eliminating detrimental effect of cold working on pitting corrosion resistance in high nitrogen austenitic stainless steels[J]. CORROSION SCIENCE,2017,123:351-355.
APA Wang, Qingchuan,Zhang, Bingchun,Ren, Yibin,Yang, Ke,&Yang, K .(2017).Eliminating detrimental effect of cold working on pitting corrosion resistance in high nitrogen austenitic stainless steels.CORROSION SCIENCE,123,351-355.
MLA Wang, Qingchuan,et al."Eliminating detrimental effect of cold working on pitting corrosion resistance in high nitrogen austenitic stainless steels".CORROSION SCIENCE 123(2017):351-355.
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