Effects of temperature and surface step on the incipient plasticity in strained aluminium studied by atomistic simulations

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dc.creatorHirel, Pierre
dc.creatorBrochard, Sandrine
dc.creatorPizzagalli, Laurent
dc.creatorBeauchamp, Pierre
dc.date2007-10-01
dc.date.accessioned2026-07-07T08:33:18Z
dc.date.available2026-07-07T08:33:18Z
dc.descriptionAtomistic simulations using an EAM potential are carried out to investigate the first stages of plasticity in aluminum slabs, in particular the effect of both temperature and step geometry on the nucleation of dislocations from surface steps. Temperature is shown to significantly reduce the elastic limit, and to activate the nucleation of dislocation half-loops. Twinning occurs by successive nucleations in adjacent glide planes. The presence of a kinked step is shown to have no influence on the nucleation mechanisms.
dc.identifierhttps://arxiv.org/abs/0710.0304
dc.identifierhttp://arxiv.org/abs/0710.0304
dc.identifierScripta Materialia 57, 12 (2007) 1141
dc.identifierdoi:10.1016/j.scriptamat.2007.08.016
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/139085
dc.subjectOther Condensed Matter
dc.titleEffects of temperature and surface step on the incipient plasticity in strained aluminium studied by atomistic simulations
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