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Local enhancement of hydrogen production by the hydrolysis of Mg17Al12 with Mg “model” material

hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
hal.structure.identifierInstitut de Chimie Moléculaire et des Matériaux d'Orsay [ICMMO]
hal.structure.identifierInstitut Lavoisier de Versailles [ILV]
hal.structure.identifierالجامعة اللبنانية [بيروت] = Lebanese University [Beirut] = Université libanaise [Beyrouth] [LU / ULB]
dc.contributor.authorAL BACHA, Serge
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorFARIAS, Eliana Desireé
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorGARRIGUE, Philippe
hal.structure.identifierالجامعة اللبنانية [بيروت] = Lebanese University [Beirut] = Université libanaise [Beyrouth] [LU / ULB]
dc.contributor.authorZAKHOUR, Mirvat
hal.structure.identifierالجامعة اللبنانية [بيروت] = Lebanese University [Beirut] = Université libanaise [Beyrouth] [LU / ULB]
dc.contributor.authorNAKHL, Michel
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorBOBET, Jean-Louis
hal.structure.identifierInstitut de chimie des milieux et matériaux de Poitiers [UMR 7285] [IC2MP [Poitiers]]
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorZIGAH, Dodzi
dc.date.issued2022
dc.identifier.issn0925-8388
dc.description.abstractEnThe effect of galvanic coupling on the corrosion behavior of Mg and Mg17Al12 in Mg-Al alloys was studied by Scanning ElectroChemical Microscopy (SECM). The effect of galvanic coupling between Mg and Mg17Al12 was investigated using a “model” Mg+Mg17Al12 material with a controlled microstructure to evaluate the hydrogen evolution at a micrometric scale. SECM maps revealed that galvanic coupling between Mg and Mg17Al12 accelerates the corrosion rate (formation of a thicker passive layer) of both components. Mg17Al12 acts controversially to a conventional cathode in galvanic system since hydrogen production by its hydrolysis reaction was found to increase due to the electron transfer with the anode (Mg).
dc.description.sponsorshipAdvanced Materials by Design - ANR-10-LABX-0042
dc.description.sponsorshipInitiative d'excellence de l'Université de Bordeaux - ANR-10-IDEX-0003
dc.language.isoen
dc.publisherElsevier
dc.subject.enSECM
dc.subject.enGalvanic coupling
dc.subject.enCorrosion
dc.subject.enMg
dc.subject.enMg17Al12
dc.subject.enHydrogen production
dc.title.enLocal enhancement of hydrogen production by the hydrolysis of Mg17Al12 with Mg “model” material
dc.typeArticle de revue
dc.identifier.doi10.1016/j.jallcom.2021.162560
dc.subject.halChimie/Matériaux
bordeaux.journalJournal of Alloys and Compounds
bordeaux.page162560
bordeaux.volume895
bordeaux.peerReviewedoui
hal.identifierhal-03431198
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03431198v1
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