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dc.contributor.authorSouto, Ricardo Manuel 
dc.contributor.authorDa Silva, Rejane Maria P.
dc.contributor.authorIzquierdo Pérez, Javier 
dc.contributor.authorMilagre, Mariana X.
dc.contributor.authorBetancor-Abreu, A.
dc.contributor.authorCosta, Isolda
dc.contributor.otherQuímica
dc.contributor.otherProyecto CTQ2018-80522-P Grupo de Electroquímica y Corrosión, Instituto de Materiales y Nanotecnología
dc.date.accessioned2021-02-15T14:05:23Z
dc.date.available2021-02-15T14:05:23Z
dc.date.issued2021
dc.identifier.urihttp://riull.ull.es/xmlui/handle/915/22284
dc.description.abstractAmperometric and potentiometric probes were employed for the detection and characterization of reactive sites on the 2098-T351 Al-alloy (AA2098-T351) using scanning electrochemical microscopy (SECM). Firstly, the probe of concept was performed on a model Mg-Al galvanic pair system using SECM in the amperometric and potentiometric operation modes, in order to address the responsiveness of the probes for the characterization of this galvanic pair system. Next, these sensing probes were employed to characterize the 2098-T351 alloy surface immersed in a saline aqueous solution at ambient temperature. The distribution of reactive sites and the local pH changes associated with severe localized corrosion (SLC) on the alloy surface were imaged and subsequently studied. Higher hydrogen evolution, lower oxygen depletion and acidification occurred at the SLC sites developed on the 2098-T351 Al-alloyen
dc.format.mimetypeapplication/pdf
dc.language.isoen
dc.relation.ispartofseriesSensors, 21 (2021) 1132
dc.rightsLicencia Creative Commons (Reconocimiento-No comercial-Sin obras derivadas 4.0 Internacional)
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/deed.es_ES
dc.titleUse of amperometric and potentiometric probes in scanning electrochemical microscopy for the spatially-resolved monitoring of severe localized corrosion sites on aluminum alloy 2098-T351en
dc.typeinfo:eu-repo/semantics/article
dc.identifier.doi10.3390/s21041132
dc.subject.keywordscanning electrochemical microscopyen
dc.subject.keywordamperometric and potentiometric probesen
dc.subject.keywordaluminum alloy 2098-T351en
dc.subject.keywordsevere localized corrosionen
dc.subject.keywordMg-Al galvanic pairen


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