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Simulation du comportement de la silice sous indentation Vickers par la méthode des elements discrets: densification et mécanismes de fissuration

dc.contributor.authorJEBAHI, Mohamed
dc.contributor.authorANDRE, Damien
dc.contributor.authorDAU, Frederic
dc.contributor.authorCHARLES, Jean Luc
IDREF: 145803937
dc.contributor.authorIORDANOFF, Ivan
dc.date.accessioned2021-05-14T10:01:11Z
dc.date.available2021-05-14T10:01:11Z
dc.date.issued2013-07
dc.date.conference2013-08-26
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/78178
dc.description.abstractEnThe indentation response of glasses can be classified into three classes : normal, anomalous and intermediate depending on the deformation mechanism and the cracking response. Silica glass, as a typical anomalous glass, deforms primarily by densification and has a strong tendency to form cone cracks that can accompany median, radial and lateral cracks when indented with a Vickers tip. This is due to its propensity to deform elastically by resisting plastic flow. Several investigations of this anomalous behavior can be found in the literature. The present paper serves to corroborate these results numerically using the discrete element method. A new pressure-densification model involving the discrete element method (DEM) is developed that allows for a quantitative estimate of the densification under very high pressure. This model is then used to simulate the Vickers indentation response of silica glass under various indentation forces. The numerical results obtained compare favorably with past experimental results.
dc.language.isofr
dc.source.titleSimulation du comportement de la silice sous indentation Vickers par la m'ethode des elements discrets: densification et m'ecanismes de fissuration
dc.titleSimulation du comportement de la silice sous indentation Vickers par la méthode des elements discrets: densification et mécanismes de fissuration
dc.typeCommunication dans un congrès avec actes
dc.subject.halSciences de l'ingénieur [physics]/Mécanique [physics.med-ph]/Mécanique des matériaux [physics.class-ph]
dc.subject.halPhysique [physics]/Mécanique [physics]/Mécanique des matériaux [physics.class-ph]
bordeaux.page6p.
bordeaux.hal.laboratoriesInstitut de Mécanique et d’Ingénierie de Bordeaux (I2M) - UMR 5295*
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionBordeaux INP
bordeaux.institutionCNRS
bordeaux.institutionINRAE
bordeaux.institutionArts et Métiers
bordeaux.countryFR
bordeaux.title.proceedingCongrès français de mécanique (21; 2013; Bordeaux (Gironde))
bordeaux.peerReviewedoui
hal.identifierhal-01011282
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01011282v1
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