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Corrosion behaviour of Mg/Al alloys with composite coatings

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dc.contributor.authorPardo Gutiérrez Del Cid, Ángel
dc.contributor.authorMerino Casals, María Concepción
dc.contributor.authorMohedano Sánchez, Marta
dc.contributor.authorCasajús, P.
dc.contributor.authorCoy, A. E.
dc.contributor.authorArrabal Durán, Raúl
dc.date.accessioned2024-07-30T08:47:29Z
dc.date.available2024-07-30T08:47:29Z
dc.date.issued2009-11-03
dc.description.abstractThe corrosion behaviour of aluminium/silicon carbide (Al/SiC) composite coatings deposited by thermal spray on AZ31, AZ80 and AZ91D magnesium-aluminium alloys was investigated by electrochemical and gravimetric measurements in 3.5 wt.% NaCl solution at 22 °C. Corrosion products were examined by scanning electron microscopy (SEM), energy dispersive X-ray (EDX) analysis and low-angle X-ray diffraction (XRD). Al/SiC composite coatings in the as-sprayed state revealed high level of porosity with poor bonding at the Al/SiC and coating/substrate interfaces, which facilitated degradation of the magnesium substrates by a mechanism of galvanic corrosion. Cold-pressing post-treatment produced more compact coatings with improved corrosion performance in 3.5 wt.% NaCl compared with as-sprayed coatings.
dc.description.departmentDepto. de Ingeniería Química y de Materiales
dc.description.facultyFac. de Ciencias Químicas
dc.description.refereedTRUE
dc.description.statuspub
dc.identifier.citationA. Pardo, M.C. Merino, M. Mohedano, P. Casajús, A.E. Coy, R. Arrabal, Corrosion behaviour of Mg/Al alloys with composite coatings, Surface and Coatings Technology, Volume 203, Issue 9, 2009, Pages 1252-1263, ISSN 0257-8972, https://doi.org/10.1016/j.surfcoat.2008.10.030.
dc.identifier.doi10.1016/j.surfcoat.2008.10.030
dc.identifier.officialurlhttps://doi.org/10.1016/j.surfcoat.2008.10.030
dc.identifier.relatedurlhttps://www.sciencedirect.com/science/article/pii/S0257897208010062
dc.identifier.urihttps://hdl.handle.net/20.500.14352/107209
dc.journal.titleSurface and Coatings Technology
dc.language.isoeng
dc.page.final1263
dc.page.initial1252
dc.publisherElsevier
dc.relation.projectIDMAT2006-13179-C02-01-02
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internationalen
dc.rights.accessRightsopen access
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subject.cdu66
dc.subject.cdu620.1
dc.subject.keywordMagnesium alloys
dc.subject.keywordAl/SiC coatings
dc.subject.keywordCorrosion
dc.subject.keywordComposites
dc.subject.keywordThermal spraying
dc.subject.ucmQuímica
dc.subject.ucmMateriales
dc.subject.unesco3303 Ingeniería y Tecnología Químicas
dc.subject.unesco3312 Tecnología de Materiales
dc.titleCorrosion behaviour of Mg/Al alloys with composite coatings
dc.typejournal article
dc.type.hasVersionVoR
dc.volume.number203
dspace.entity.typePublication
relation.isAuthorOfPublication56075eb3-03e5-4b06-b893-4a13600ae092
relation.isAuthorOfPublication2fa693fe-1c27-40a5-9e13-dfe23863ad21
relation.isAuthorOfPublication160ef5bd-2d04-4f6c-b028-cb7ce4cf8d38
relation.isAuthorOfPublication6a953ac5-3b84-40fc-a995-2a00ac938151
relation.isAuthorOfPublication.latestForDiscovery56075eb3-03e5-4b06-b893-4a13600ae092

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