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Étude numérique du comportement en fatigue à grand nombre de cycles d'agrégats polycristallins de cuivre

hal.structure.identifierLaboratoire Angevin de Mécanique, Procédés et InnovAtion [LAMPA]
dc.contributor.authorROBERT, Camille
dc.contributor.authorSAINTIER, Nicolas
dc.contributor.authorPALIN LUC, Thierry
IDREF: 136498752
hal.structure.identifierLaboratoire des Arts et Métiers ParisTech d'Angers - Procédés Matériaux Durabilité [LAMPA - PMD]
dc.contributor.authorMOREL, Franck
dc.date.accessioned2021-05-14T10:01:06Z
dc.date.available2021-05-14T10:01:06Z
dc.date.issued2011
dc.identifier.issn2257-7777
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/78169
dc.description.abstractEnNumerical study of high cycle fatigue behaviour of copper polycrystalline aggre- gates. An analysis of high cycle fatigue behaviour is undertaken via the numerical simulation of polycrystalline aggregates. The metallic material chosen for investigation is Copper, which has a FCC crystalline structure. The REV, which is composed of 300 randomly orientated equiaxed grains, is loaded at the fatigue limit determined at 10/7 cycles. The aim is to calculate the mechanical quantities at the mesoscopic scale (average quantities in the grains) after cyclic stabilisation has been achieved. The results highlight the fact that the mechanical quantities at this scale have a large scatter. A statistical analysis of the response of the aggregate for different loading conditions (tensile, torsion, and in-phase tension-torsion) is done. Thanks to the sufficiently large number of different microstructures investigated, a critical analysis of the Dang Van and Crossland multiaxial fatigue criteria has been undertaken, using the local mechanical quantities.
dc.language.isoen
dc.publisherEDP Sciences
dc.subjectFatigue
dc.subjectsimulation numérique
dc.subjectagrégats polycristallins
dc.titleÉtude numérique du comportement en fatigue à grand nombre de cycles d'agrégats polycristallins de cuivre
dc.typeArticle de revue
dc.identifier.doi10.1051/meca/2011109
dc.subject.halSciences de l'ingénieur [physics]/Matériaux
dc.subject.halSciences de l'ingénieur [physics]/Mécanique [physics.med-ph]
bordeaux.journalMechanics & Industry
bordeaux.page209-214
bordeaux.volume12
bordeaux.hal.laboratoriesInstitut de Mécanique et d’Ingénierie de Bordeaux (I2M) - UMR 5295*
bordeaux.issue3
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionBordeaux INP
bordeaux.institutionCNRS
bordeaux.institutionINRAE
bordeaux.institutionArts et Métiers
bordeaux.peerReviewedoui
hal.identifierhal-01009893
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01009893v1
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