DC Field | Value | Language |
---|---|---|
dc.contributor.author | Jang, H | ko |
dc.contributor.author | Kwon, Hyuk-Sang | ko |
dc.date.accessioned | 2011-12-02T01:13:21Z | - |
dc.date.available | 2011-12-02T01:13:21Z | - |
dc.date.created | 2012-02-06 | - |
dc.date.created | 2012-02-06 | - |
dc.date.issued | 2006-05 | - |
dc.identifier.citation | JOURNAL OF ELECTROANALYTICAL CHEMISTRY, v.590, pp.120 - 125 | - |
dc.identifier.issn | 0022-0728 | - |
dc.identifier.uri | http://hdl.handle.net/10203/25734 | - |
dc.description.abstract | Effects of alloying elements (Ni and Mo) on the structure of passive film formed on Fe-20Cr alloys in pH 8.5 buffer solution were explored by analyzing the in situ electronic properties measured using the photoelectrochemical technique and Mott-Schottky analysis. The passive film formed on Fe-20Cr-10Ni was found to be mainly composed of Cr-substituted gamma-Fe2O3 from similarities in photocurrent response for the passive films formed on the alloy and Fe-20Cr. On the other hand, the photocurrent spectra for the passive films of Fe-20Cr-15Ni-(0,4)Mo alloys exhibited the spectral components associated with NiO and Mo oxide (MoO2 and/or MoO3) in addition to that induced by Cr-substituted gamma-Fe2O3. Mott-Schottky plots for the passive films formed on Fe-20Cr-(10,15)Ni and Fe-20Cr-15Ni-4Mo confirmed that the passive films on Fe-20Cr-(10,15)Ni-(0,4)Mo alloys have a base structure of Cr-substituted gamma-Fe2O3 with variation of densities of shallow and deep donors depending on the Ni and Mo contents in the alloys. We suggest that the passive film formed on Fe-20Cr-(10,15)Ni and Fe-20Cr-15Ni-4Mo alloys are composed of (Cr, Ni, Mo)-substituted gamma-Fe2O3 when the concentrations of Ni and Mo are below critical values. However, NiO and Mo oxide (MoO2 and/or MoO3) would be precipitated in the passive films when the concentrations of Ni and Mo exceed critical values. (c) 2006 Elsevier B.V. All rights reserved. | - |
dc.description.sponsorship | The authors gratefully acknowledge the financial support from Korea Science and Engineering Foundation (KOSEF), grant No. R01-2000-000-00239-0. This study is also partially supported by Brain Korea 21 (BK21) project. | en |
dc.language | English | - |
dc.language.iso | en_US | en |
dc.publisher | ELSEVIER SCIENCE SA | - |
dc.subject | 8.5 BUFFER SOLUTION | - |
dc.subject | FE-CR ALLOYS | - |
dc.subject | STAINLESS-STEELS | - |
dc.subject | CHEMICAL-COMPOSITION | - |
dc.subject | CORROSION | - |
dc.subject | PH | - |
dc.subject | TEMPERATURE | - |
dc.subject | MOLYBDENUM | - |
dc.subject | CHROMIUM | - |
dc.subject | XPS | - |
dc.title | In situ study on the effects of Ni and Mo on the passive film formed on Fe-20Cr alloys by photoelectrochemical and Mott-Schottky techniques | - |
dc.type | Article | - |
dc.identifier.wosid | 000238304400002 | - |
dc.identifier.scopusid | 2-s2.0-33747379098 | - |
dc.type.rims | ART | - |
dc.citation.volume | 590 | - |
dc.citation.beginningpage | 120 | - |
dc.citation.endingpage | 125 | - |
dc.citation.publicationname | JOURNAL OF ELECTROANALYTICAL CHEMISTRY | - |
dc.embargo.liftdate | 9999-12-31 | - |
dc.embargo.terms | 9999-12-31 | - |
dc.contributor.localauthor | Kwon, Hyuk-Sang | - |
dc.contributor.nonIdAuthor | Jang, H | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordAuthor | stainless steel | - |
dc.subject.keywordAuthor | passive film | - |
dc.subject.keywordAuthor | photoelectrochemistry | - |
dc.subject.keywordAuthor | Mott-Schottky analysis | - |
dc.subject.keywordAuthor | semiconducting property | - |
dc.subject.keywordPlus | 8.5 BUFFER SOLUTION | - |
dc.subject.keywordPlus | FE-CR ALLOYS | - |
dc.subject.keywordPlus | STAINLESS-STEELS | - |
dc.subject.keywordPlus | CHEMICAL-COMPOSITION | - |
dc.subject.keywordPlus | CORROSION | - |
dc.subject.keywordPlus | PH | - |
dc.subject.keywordPlus | TEMPERATURE | - |
dc.subject.keywordPlus | MOLYBDENUM | - |
dc.subject.keywordPlus | CHROMIUM | - |
dc.subject.keywordPlus | XPS | - |
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