Enhanced corrosion resistance of AISI H13 steel treated by nitrogen plasma immersion ion implantation

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dc.contributor.authorda Silva, L. L. G.
dc.contributor.authorUeda, M.
dc.contributor.authorNakazato, R. Z.
dc.contributor.institutionInstituto Nacional de Pesquisas Espaciais (INPE)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:27:38Z
dc.date.available2014-05-20T13:27:38Z
dc.date.issued2007-08-05
dc.description.abstractElectrochemical corrosion measurements of AISI H13 steel treated by Pill process in 3.5% (wt) NaCl solution were investigated. So far the corrosion behavior of AISI H 13 steel by Pill has not been studied. The electrochemical results are correlated with the surface morphology, nitrogen content and hardness of the nitride layer. Ion implantation of nitrogen into H 13 steel was carried out by Pill technique. SEM examination revealed a generalized corrosion and porosity over all analyzed sample surfaces. Penetration of nitrogen reaching more than 20 gm was achieved at 450 degrees C and hardness as high as 1340 HV (factor of 2.7 enhancement over standard tempered and annealed H 13) was reached by a high power, 9 h Pill treatment. The corrosion behavior of the samples was studied by potentiodynamic polarization method. The noblest corrosion behavior was observed for the samples treated by PIII at 450 degrees C, during 9 h. Anodic branches of polarization curves of PIII processed samples show a passive region associated with the formation of a protective film. The passive region current density of PIII treated H13 samples (3.5 x 10(-6) A/cm(2)) is about 270 times lower than the one of untreated specimens, which demonstrates the higher corrosion resistance for the Pill treated H 13 samples. (c) 2007 Elsevier B.V. All rights reserved.en
dc.description.affiliationNatl Inst Space Res, Associated Plasma Lab, BR-12227010 Sao Jose Dos Campos, SP, Brazil
dc.description.affiliationSão Paulo State Univ, UNESP, Dept Chem & Phys, BR-12516410 Guaratingueta, SP, Brazil
dc.description.affiliationUnespSão Paulo State Univ, UNESP, Dept Chem & Phys, BR-12516410 Guaratingueta, SP, Brazil
dc.format.extent8291-8294
dc.identifierhttp://dx.doi.org/10.1016/j.surfcoat.2006.03.063
dc.identifier.citationSurface & Coatings Technology. Lausanne: Elsevier B.V. Sa, v. 201, n. 19-20, p. 8291-8294, 2007.
dc.identifier.doi10.1016/j.surfcoat.2006.03.063
dc.identifier.issn0257-8972
dc.identifier.lattes8799191078451467
dc.identifier.orcid0000-0001-7897-1905
dc.identifier.urihttp://hdl.handle.net/11449/9145
dc.identifier.wosWOS:000249034000059
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofSurface & Coatings Technology
dc.relation.ispartofjcr2.906
dc.relation.ispartofsjr0,928
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectAISI H13 steelpt
dc.subjectplasma immersion ion implantationpt
dc.subjecthardnesspt
dc.subjectcorrosionpt
dc.subjectnitride layerpt
dc.titleEnhanced corrosion resistance of AISI H13 steel treated by nitrogen plasma immersion ion implantationen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
unesp.author.lattes8799191078451467[3]
unesp.author.orcid0000-0001-7897-1905[3]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Engenharia, Guaratinguetápt

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Artigos - Física e Química - FEG