Repassivation behaviour and surface analysis of Fe3Al based iron aluminide in 0.25 M H2SO4

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dc.contributor.authorRao, V. Shankarko
dc.date.accessioned2013-03-06T16:42:12Z-
dc.date.available2013-03-06T16:42:12Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2005-01-
dc.identifier.citationCORROSION SCIENCE, v.47, no.1, pp.183 - 194-
dc.identifier.issn0010-938X-
dc.identifier.urihttp://hdl.handle.net/10203/87635-
dc.description.abstractThe repassivation kinetics of iron aluminide having a composition of Fe-16Al-0.14C (wt.%) were investigated in 0.25 M H2SO4 along with pure Al and Fe using a rapid scratched electrode technique. The repassivation behaviour of iron aluminide demonstrated was faster compared with Al, whereas the repassivation behaviour of Fe was slower than Al despite having a lower passive current density than Al. The repassivation behaviour was analyzed in terms of current density [i/t] as a function of charge density [q/t] that flowed from the scratched surface based on high-field ion conduction model and surface chemistry of the passive film. A mechanistic model is presented to explain the passivation/repassivation behaviour of iron aluminide based on the new findings. (C) 2004 Elsevier Ltd. All rights reserved.-
dc.languageEnglish-
dc.publisherPERGAMON-ELSEVIER SCIENCE LTD-
dc.subject304L STAINLESS-STEEL-
dc.subjectPASSIVE FILMS-
dc.subjectSULFURIC-ACID-
dc.subjectCORROSION BEHAVIOR-
dc.subjectALLOYS-
dc.subjectKINETICS-
dc.subjectXPS-
dc.subjectSUSCEPTIBILITY-
dc.subjectSPECTROSCOPY-
dc.subjectOXIDATION-
dc.titleRepassivation behaviour and surface analysis of Fe3Al based iron aluminide in 0.25 M H2SO4-
dc.typeArticle-
dc.identifier.wosid000226040700013-
dc.identifier.scopusid2-s2.0-5044234320-
dc.type.rimsART-
dc.citation.volume47-
dc.citation.issue1-
dc.citation.beginningpage183-
dc.citation.endingpage194-
dc.citation.publicationnameCORROSION SCIENCE-
dc.identifier.doi10.1016/j.corsci.2004.05.014-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorintermetallics-
dc.subject.keywordAuthorpolarization-
dc.subject.keywordAuthorXPS-
dc.subject.keywordAuthorpassive films-
dc.subject.keywordAuthorrepassivation-
dc.subject.keywordPlus304L STAINLESS-STEEL-
dc.subject.keywordPlusPASSIVE FILMS-
dc.subject.keywordPlusSULFURIC-ACID-
dc.subject.keywordPlusCORROSION BEHAVIOR-
dc.subject.keywordPlusALLOYS-
dc.subject.keywordPlusKINETICS-
dc.subject.keywordPlusXPS-
dc.subject.keywordPlusSUSCEPTIBILITY-
dc.subject.keywordPlusSPECTROSCOPY-
dc.subject.keywordPlusOXIDATION-
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