Electrochemical studies with copper-based alloys: open-circuit potential oscillations in alkaline media

dc.contributor.authorHurtado, Maria do Rosário Fabeni [UNESP]
dc.contributor.authorSumodjo, Paulo Teng An
dc.contributor.authorBenedetti, Assis Vicente [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2014-05-20T15:22:35Z
dc.date.available2014-05-20T15:22:35Z
dc.date.issued1993-06-01
dc.description.abstractIn open-circuit potential measurements of certain Cu-based alloys in NaOH solutions oscillations were observed in Cu-Al and Cu-Ag-Al. Studies with various electrolyte concentrations and rotation speeds of the electrode led to a possible explanation of the phenomenon in terms of Al dissolution altering the main Cu dissolution/passivation process. The accumulation of aluminate ions on the interphase and its transportation to the bulk solution are the main causes of the oscillations.en
dc.description.affiliationDepartamento de Físico Química, Instituto de Química (IQ), Universidade Estadual Paulista (UNESP), Araraquara, SP, Brasil
dc.description.affiliationInstituto de Química, Universidade de São Paulo (USP), São Paulo, SP, Brasil
dc.description.affiliationUnespDepartamento de Físico Química, Instituto de Química (IQ), Universidade Estadual Paulista (UNESP), Araraquara, SP, Brasil
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.format.extent1567-1571
dc.identifierhttp://dx.doi.org/10.1149/1.2221603
dc.identifier.citationJournal of the Electrochemical Society. Pennington: Electrochemical Society Inc., v. 140, n. 6, p. 1567-1571, 1993.
dc.identifier.doi10.1149/1.2221603
dc.identifier.fileWOSA1993LG41000017.pdf
dc.identifier.issn0013-4651
dc.identifier.urihttp://hdl.handle.net/11449/33531
dc.identifier.wosWOS:A1993LG41000017
dc.language.isoeng
dc.publisherElectrochemical Soc Inc.
dc.relation.ispartofJournal of the Electrochemical Society
dc.relation.ispartofjcr3.662
dc.relation.ispartofsjr1,267
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleElectrochemical studies with copper-based alloys: open-circuit potential oscillations in alkaline mediaen
dc.typeArtigo
dcterms.licensehttp://www.electrochem.org/dl/support/assets/crtf.pdf
dcterms.rightsHolderElectrochemical Society Inc.
unesp.author.lattes1769008264876945[3]
unesp.author.orcid0000-0002-0243-6639[3]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Química, Araraquarapt

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