Aspects of the anodic behaviour of duplex stainless steels aged for long periods at low temperatures

dc.creatorSousa, Carlos Alberto Caldas de
dc.creatorKuri, Sebastião Elias
dc.creatorMay, J. E.
dc.creatorSousa, Carlos Alberto Caldas de
dc.creatorKuri, Sebastião Elias
dc.creatorMay, J. E.
dc.date.accessioned2022-10-07T18:55:55Z
dc.date.available2022-10-07T18:55:55Z
dc.date.issued2003
dc.identifier0010-938X
dc.identifierhttp://repositorio.ufba.br/ri/handle/ri/14222
dc.identifierv. 47, n. 7
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/4012612
dc.description.abstractDuplex stainless steel samples were aged at low temperatures (300 and 400 °C) for 1000 and 2000 h. Their anodic behaviour was studied in a 0.1 N concentration of sulphuric acid, which revealed that the polarisation curves were dependent on the aging temperature and time. Complex anodic current peaks occurred at low and high potentials due to the dual austenite and ferrite microstructure. The aging treatment promoted silicon enrichment of the passivated film, probably over the austenite phase, as indicated by X-ray photoelectron spectroscopy measurements. G phase precipitation and spinodal decomposition was identified by transmission electron microscopy.
dc.languageen
dc.rightsAcesso Aberto
dc.sourcehttp://dx.doi.org.ez10.periodicos.capes.gov.br/10.1016/S0010-938X(02)00244-5
dc.subjectDuplex stainless steels
dc.subjectAnodic behaviour
dc.subjectTemperatures
dc.titleAspects of the anodic behaviour of duplex stainless steels aged for long periods at low temperatures
dc.typeArtigo de Periódico


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