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Influence of spraying parameters on the electrochemical behaviour of HVOF thermally sprayed stainless steel coatings in 3.4% NaCl

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dc.contributor.authorGuilemany, J. M.
dc.contributor.authorFernandez, J.
dc.contributor.authorEspallargas, N.
dc.contributor.authorSuegama, P. H.
dc.contributor.authorBenedetti, Assis Vicente [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T14:17:56Z
dc.date.available2014-05-20T14:17:56Z
dc.date.issued2006-02-08
dc.description.abstractStainless steel coatings obtained by High Velocity Oxygen Fuel (HVOF) were characterized using optical (OM) and scanning electron microscopy (SEM), electron probe micro-analysis, X-ray diffraction (XRD), open-circuit potential (E-OC) measurements, electrochemical impedance spectroscopy (EIS) and polarisation tests. Differences among coated steels were mainly related with the gun-substrate distance parameter (310 nm for samples A and B and 260 min for C and D). The open-circuit potential values measured for all the samples after 18 h of immersion in aerated and unstirred 3.4% NaCl solution were: - 0.334, - 0.360, - 0.379 and - 0.412 V vs. Ag/AgCl,KClsat. for samples A to D, respectively. For EIS measurements, Nyquist plots showed higher capacitive semi-circle for samples sprayed at longer distance, indicating higher corrosion resistance in NaCl solution. (c) 2005 Elsevier B.V. All rights reserved.en
dc.description.affiliationUniv Estadual Paulista, Inst Quim, UNESP, Dept Quim Fis, BR-14801970 Araraquara, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Inst Quim, UNESP, Dept Quim Fis, BR-14801970 Araraquara, SP, Brazil
dc.format.extent3064-3072
dc.identifierhttp://dx.doi.org/10.1016/j.surfcoat.2005.02.116
dc.identifier.citationSurface & Coatings Technology. Lausanne: Elsevier B.V. Sa, v. 200, n. 9, p. 3064-3072, 2006.
dc.identifier.doi10.1016/j.surfcoat.2005.02.116
dc.identifier.issn0257-8972
dc.identifier.urihttp://hdl.handle.net/11449/25380
dc.identifier.wosWOS:000235254000030
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.subjectHVOFpt
dc.subjectstainless steelpt
dc.subjectthermal sprayingpt
dc.subjectcorrosionpt
dc.subjectelectrochemical behaviourpt
dc.titleInfluence of spraying parameters on the electrochemical behaviour of HVOF thermally sprayed stainless steel coatings in 3.4% NaClen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
dspace.entity.typePublication
unesp.author.lattes1769008264876945[5]
unesp.author.orcid0000-0002-0243-6639[5]
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Química, Araraquarapt
unesp.departmentFísico-Química - IQARpt

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