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Zirconium Carbide Oxidation: Maltese Cross Formation and Interface Characterization

hal.structure.identifierDepartment of Earth Science and Engineering [Imperial College London]
dc.contributor.authorGASPARRINI, Claudia
hal.structure.identifierEtude de la Matière en Mode Environnemental [L2ME]
dc.contributor.authorPODOR, Renaud
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
hal.structure.identifierDepartment of Earth Science and Engineering [Imperial College London]
dc.contributor.authorHORLAIT, Denis
hal.structure.identifierDepartment of Materials
dc.contributor.authorCHATER, Richard
hal.structure.identifierDepartment of Earth Science and Engineering [Imperial College London]
dc.contributor.authorLEE, William Edward
dc.date.issued2017-10
dc.identifier.issn0030-770X
dc.description.abstractEnOxidation of dense hot-pressed ZrC specimens from 1073 to 1473 K was investigated using an in situ technique: HT-ESEM. Cuboid specimens were monitored on the surface and on edges and corners during oxidation in order to understand the influence of crack formation and propagation on the Maltese cross shape development of the oxide. The oxidation mechanism comprised three steps: (1) delamination of sample edges, (2) crack formation at corners and (3) crack propagation towards the inner core and formation of microcracks parallel to the interface that increase the accessible surface area followed by a drastic volume expansion. The microcrack pattern is found to be repetitive as if a cyclic debonding of the interface occurred. Characterization of the interface by TEM and HRTEM revealed
dc.language.isoen
dc.publisherSpringer Verlag
dc.title.enZirconium Carbide Oxidation: Maltese Cross Formation and Interface Characterization
dc.typeArticle de revue
dc.identifier.doi10.1007/s11085-016-9672-6
dc.subject.halChimie/Matériaux
bordeaux.journalOxidation of Metals
bordeaux.page509-519
bordeaux.volume88
bordeaux.issue3-4
bordeaux.peerReviewedoui
hal.identifierhal-01998470
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01998470v1
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