The effect of niobium on the oxidation behaviour of fully austenitic Fe-15%Cr-15%Ni stainless steels

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dc.contributor.authorRAMANATHAN, L.V.
dc.contributor.authorPOHL, M.
dc.contributor.authorPADILHA, A.F.
dc.coverageInternacionalpt_BR
dc.date.accessioned2016-09-27T13:41:18Z
dc.date.available2016-09-27T13:41:18Z
dc.date.issued1995pt_BR
dc.description.abstractThe influence of niobium content (0.5-2.0 wt.%) on the oxidation behaviour of Fe-15% Cr-15% Ni austenitic stainless steels has been studied by cyclic oxidation tests in air at different temperatures in the range 800-1200 ºC. The isothermal oxidation rate, the scaling index and the cumulative oxide loss decreased with increasing niobium content. X-ray diffraction and fluorescence analysis of detached oxide scales revealed that the niobium in the alloy matrix facilitated the formation of chromium rich (Fe,Cr)203 and niobium containing mixed oxide near the metaumetal oxide boundary, which decreased further oxidation. SEM/EDX investigations revealed that the external oxide changed from being predominantly iron rich iron-chromium oxide to being chromium rich iron-chromium oxide.pt_BR
dc.format.extent71-75pt_BR
dc.identifier.citationRAMANATHAN, L.V.; POHL, M.; PADILHA, A.F. The effect of niobium on the oxidation behaviour of fully austenitic Fe-15%Cr-15%Ni stainless steels. <b>Werkstoffe und Korrosion - Materials and Corrosion</b>, v. 46, n. 2, p. 71-75, 1995. Disponível em: http://repositorio.ipen.br/handle/123456789/26722.
dc.identifier.fasciculo2pt_BR
dc.identifier.issn0947-5117pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0003-4822-8840
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/26722
dc.identifier.vol46pt_BR
dc.relation.ispartofWerkstoffe und Korrosion - Materials and Corrosionpt_BR
dc.rightsclosedAccesspt_BR
dc.subjectaustenitic steels
dc.subjectchromium-nickel steels
dc.subjectstainless steels
dc.subjectniobium alloys
dc.subjectoxidation
dc.subjectscanning electron microscopy
dc.subjecttemperature dependence
dc.subjecttemperature range 1000-4000 k
dc.subjectx-ray diffraction
dc.subjectx-ray fluorescence analysis
dc.titleThe effect of niobium on the oxidation behaviour of fully austenitic Fe-15%Cr-15%Ni stainless steelspt_BR
dc.typeArtigo de periódicopt_BR
dspace.entity.typePublication
ipen.autorANGELO FERNANDO PADILHA
ipen.autorLALGUDI VENKATARAMAN RAMANATHAN
ipen.codigoautor2947
ipen.codigoautor95
ipen.contributor.ipenauthorANGELO FERNANDO PADILHA
ipen.contributor.ipenauthorLALGUDI VENKATARAMAN RAMANATHAN
ipen.date.recebimento16-09pt_BR
ipen.identifier.fiSem F.I.pt_BR
ipen.identifier.ipendoc22608pt_BR
ipen.identifier.iwosWoSpt_BR
ipen.type.genreArtigo
relation.isAuthorOfPublication794e7ade-22a9-4845-b1aa-ac66920c7b55
relation.isAuthorOfPublication8e95d525-c559-413e-ac38-1e26a8fd67a3
relation.isAuthorOfPublication.latestForDiscovery8e95d525-c559-413e-ac38-1e26a8fd67a3
sigepi.autor.atividadeRAMANATHAN, L.V.:95:730:Spt_BR
sigepi.autor.atividadePADILHA, A.F.:2947:-1:Npt_BR

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