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Fatigue behaviour of additively manufactured Ti-6Al-4V alloy: The role of defects on scatter and statistical size effect

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hal.structure.identifierLaboratoire Angevin de Mécanique, Procédés et InnovAtion [LAMPA]
dc.contributor.authorLE, Viet-Duc
hal.structure.identifierLaboratoire Angevin de Mécanique, Procédés et InnovAtion [LAMPA]
dc.contributor.authorPESSARD, Etienne
hal.structure.identifierLaboratoire Angevin de Mécanique, Procédés et InnovAtion [LAMPA]
dc.contributor.authorMOREL, Franck
dc.contributor.authorPRIGENT, Serge
dc.date.accessioned2021-05-14T09:32:46Z
dc.date.available2021-05-14T09:32:46Z
dc.date.issued2020-11
dc.identifier.issn0142-1123
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/75991
dc.description.abstractThis work is focused on the influence of defects on scatter and statistical size effect of Ti-6Al-4V alloy fabricated by the SLM process. A vast fatigue test campaign has been undertaken, for two surface conditions (as-built and machined surfaces) and two specimen geometries with different highly loaded volume sizes. It was shown, for machined specimens, that a large variety of crack initiation mechanisms is the principal origin of the fatigue scatter. Regarding the size effect, the change of the mechanism is the first order factor that governs the size effect. For as-built specimens, these effects are much less pronounced.
dc.language.isoen
dc.publisherElsevier
dc.subjectMechanical Engineering
dc.subjectModelling and Simulation
dc.subjectIndustrial and Manufacturing Engineering
dc.subjectGeneral Materials Science
dc.subjectMechanics of Materials
dc.subjectfatigue
dc.subjectfabrication additive
dc.subjectTi-6Al-4V
dc.subjectSLM
dc.subjectdefauts
dc.titleFatigue behaviour of additively manufactured Ti-6Al-4V alloy: The role of defects on scatter and statistical size effect
dc.typeArticle de revue
dc.identifier.doi10.1016/j.ijfatigue.2020.105811
dc.subject.halSciences de l'ingénieur [physics]
bordeaux.journalInternational Journal of Fatigue
bordeaux.page105811
bordeaux.volume140
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.peerReviewedoui
hal.identifierhal-02969486
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02969486v1
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