The effect of acid pickling on the corrosion behavior of a cerium conversion-coated AA2198-T851 Al-Cu-Li alloy

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dc.contributor.authorKLUMPP, RAFAEL E.pt_BR
dc.contributor.authorDONATUS, UYIMEpt_BR
dc.contributor.authorARAUJO, JOAO V.S.pt_BR
dc.contributor.authorREDÍGOLO, MARCELO M.pt_BR
dc.contributor.authorMACHADO, CARULINE de S.C.pt_BR
dc.contributor.authorCOSTA, ISOLDApt_BR
dc.coverageInternacionalpt_BR
dc.date.accessioned2020-04-07T11:20:16Z
dc.date.available2020-04-07T11:20:16Z
dc.date.issued2020pt_BR
dc.description.abstractThe effect of acid pickling pretreatments prior to cerium conversion coating process on the corrosion behavior of AA2198-T851 alloy substrates was investigated. Three acid pretreatments were employed: nitric acid (HNO3), phosphoric acid (H3PO4) and sulfuric acid (H2SO4). The cerium conversion coating process was performed using a batch solution composed of cerium nitrate and hydrogen peroxide. Microscopic techniques, electrochemical impedance spectroscopy, polarization resistance and open-circuit potential measurements were employed to investigate the effect of each acid pretreatment. The untreated and nitric acid pretreated substrates presented more defective cerium conversion layers than the substrates treated with phosphoric and sulfuric acids. Accordingly, the corrosion resistance of the untreated and nitric acid-treated substrates was very low, while that of the substrates treated with phosphoric acid and sulfuric acids were greatly improved. The sulfuric acid pickling treatment was the best pretreatment before cerium conversion coating among the investigated pretreatments on the AA2198-T851 Al-Cu-Li alloy.pt_BR
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)pt_BR
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)pt_BR
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)pt_BR
dc.description.sponsorshipIDFAPESP: 13/13235-6; 17/03095-3pt_BR
dc.description.sponsorshipIDCNPq: 2017-9/169569pt_BR
dc.description.sponsorshipIDCAPES: PROEX 88882.333459/2019-01pt_BR
dc.format.extent167-174pt_BR
dc.identifier.citationKLUMPP, RAFAEL E.; DONATUS, UYIME; ARAUJO, JOAO V.S.; REDÍGOLO, MARCELO M.; MACHADO, CARULINE de S.C.; COSTA, ISOLDA. The effect of acid pickling on the corrosion behavior of a cerium conversion-coated AA2198-T851 Al-Cu-Li alloy. <b>Journal of Materials Engineering and Performance</b>, v. 29, n. 1, p. 167-174, 2020. DOI: <a href="https://dx.doi.org/10.1007/s11665-019-04551-9">10.1007/s11665-019-04551-9</a>. Disponível em: http://repositorio.ipen.br/handle/123456789/31097.
dc.identifier.doi10.1007/s11665-019-04551-9pt_BR
dc.identifier.fasciculo1pt_BR
dc.identifier.issn1059-9495pt_BR
dc.identifier.orcid0000-0002-4987-3334pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-4987-3334
dc.identifier.percentilfi22.37pt_BR
dc.identifier.percentilfiCiteScore54.00
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/31097
dc.identifier.vol29pt_BR
dc.relation.ispartofJournal of Materials Engineering and Performancept_BR
dc.rightsopenAccesspt_BR
dc.subjectinorganic acids
dc.subjectpickling
dc.subjectcorrosion pickling
dc.subjectcerium
dc.subjectnitric acid
dc.subjectphosphoric acid
dc.subjectsulfuric acid
dc.subjectcoatings
dc.subjectconversion
dc.subjectaluminium alloys
dc.subjectlithium alloys
dc.subjectcopper alloys
dc.subjectelectrochemistry
dc.subjectcorrosion resistance
dc.titleThe effect of acid pickling on the corrosion behavior of a cerium conversion-coated AA2198-T851 Al-Cu-Li alloypt_BR
dc.typeArtigo de periódicopt_BR
dspace.entity.typePublication
ipen.autorUYIME DONATUS
ipen.autorJOAO VICTOR DE SOUSA ARAUJO
ipen.autorISOLDA COSTA
ipen.autorCARULINE DE SOUZA CARVALHO MACHADO
ipen.autorMARCELO MIYADA REDÍGOLO
ipen.autorRAFAEL EMIL KLUMPP
ipen.codigoautor14732
ipen.codigoautor14113
ipen.codigoautor429
ipen.codigoautor14121
ipen.codigoautor5976
ipen.codigoautor14024
ipen.contributor.ipenauthorUYIME DONATUS
ipen.contributor.ipenauthorJOAO VICTOR DE SOUSA ARAUJO
ipen.contributor.ipenauthorISOLDA COSTA
ipen.contributor.ipenauthorCARULINE DE SOUZA CARVALHO MACHADO
ipen.contributor.ipenauthorMARCELO MIYADA REDÍGOLO
ipen.contributor.ipenauthorRAFAEL EMIL KLUMPP
ipen.date.recebimento20-04
ipen.identifier.fi1.819pt_BR
ipen.identifier.fiCiteScore2.8
ipen.identifier.ipendoc26885pt_BR
ipen.identifier.iwosWoSpt_BR
ipen.range.fi1.500 - 2.999
ipen.range.percentilfi0.00 - 24.99
ipen.type.genreArtigo
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sigepi.autor.atividadeCOSTA, ISOLDA:429:730:Npt_BR
sigepi.autor.atividadeMACHADO, CARULINE de S.C.:14121:730:Npt_BR
sigepi.autor.atividadeREDÍGOLO, MARCELO M.:5976:730:Npt_BR
sigepi.autor.atividadeARAUJO, JOAO V.S.:14113:730:Npt_BR
sigepi.autor.atividadeDONATUS, UYIME:14732:730:Npt_BR
sigepi.autor.atividadeKLUMPP, RAFAEL E.:14024:730:Spt_BR
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