Effect of cerium on structure modifications of a hybrid sol-gel coating, its mechanical properties and anti-corrosion behavior

dc.contributor.authorCambon, Jean-Baptiste
dc.contributor.authorEsteban, Julien
dc.contributor.authorAnsart, Florence
dc.contributor.authorBonino, Jean-Pierre
dc.contributor.authorTurq, Viviane
dc.contributor.authorSantagneli, S. H. [UNESP]
dc.contributor.authorSantilli, Celso Valentim [UNESP]
dc.contributor.authorPulcinelli, Sandra Helena [UNESP]
dc.contributor.institutionUniv Toulouse
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T14:18:22Z
dc.date.available2014-05-20T14:18:22Z
dc.date.issued2012-11-01
dc.description.abstractAn organic-inorganic hybrid coating was developed to improve the corrosion resistance of the aluminum alloy AA 2024-T3. Organic and inorganic coatings derived from glycidoxypropyltrimethoxysilane (GPTMS) and aluminum tri-sec-butoxide Al((OBu)-Bu-s)(3), with different cerium contents, were deposited onto aluminum by dip-coating process. Corrosion resistance and mechanical properties were investigated by electrochemical impedance measurements and nano-indentation respectively. An optimal cerium concentration of 0.01 M was evidenced. To correlate and explain the hybrid coating performances in relation to the cerium content, NMR experiments were performed. It has been shown that when the cerium concentration in the hybrid is higher than 0.01 M there are important modifications in the hybrid structure that account for the mechanical properties and anti-corrosion behavior of the sol-gel coating. (C) 2012 Elsevier Ltd. All rights reserved.en
dc.description.affiliationUniv Toulouse, Inst Carnot CIRIMAT, UMR CNRS 5085, F-31062 Toulouse 9, France
dc.description.affiliationUniv Estadual Paulista, Dept Quim Fis, Inst Quim, UNESP, BR-14801970 Araraquara, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Dept Quim Fis, Inst Quim, UNESP, BR-14801970 Araraquara, SP, Brazil
dc.format.extent3170-3176
dc.identifierhttp://dx.doi.org/10.1016/j.materresbull.2012.08.034
dc.identifier.citationMaterials Research Bulletin. Oxford: Pergamon-Elsevier B.V. Ltd, v. 47, n. 11, p. 3170-3176, 2012.
dc.identifier.doi10.1016/j.materresbull.2012.08.034
dc.identifier.issn0025-5408
dc.identifier.lattes5584298681870865
dc.identifier.lattes9971202585286967
dc.identifier.orcid0000-0002-8356-8093
dc.identifier.urihttp://hdl.handle.net/11449/25532
dc.identifier.wosWOS:000311865200017
dc.language.isoeng
dc.publisherPergamon-Elsevier B.V. Ltd
dc.relation.ispartofMaterials Research Bulletin
dc.relation.ispartofjcr2.873
dc.relation.ispartofsjr0,746
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectHydridesen
dc.subjectSol-gel chemistryen
dc.subjectNuclear magnetic resonance (NMR)en
dc.subjectImpedance spectroscopyen
dc.subjectElectrochemical propertiesen
dc.subjectMechanical propertiesen
dc.titleEffect of cerium on structure modifications of a hybrid sol-gel coating, its mechanical properties and anti-corrosion behavioren
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderPergamon-Elsevier B.V. Ltd
unesp.author.lattes9971202585286967
unesp.author.lattes5584298681870865[7]
unesp.author.orcid0000-0002-8356-8093[7]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Química, Araraquarapt

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