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Article Dans Une Revue Comptes Rendus Mécanique Année : 2006

Estimation of the mesoscopic thermoplastic dissipation in High-Cycle Fatigue

Résumé

A series of High-Cycle Fatigue (HCF) criteria for polycrystalline materials is based on a multiscale interpretation, proposed initially by Dang Van, in which the principal concepts are a two scales model and a shakedown condition. The purpose of this Note is to extend the study of the different dissipative regimes during cyclic loading within this framework by using a self consistent homogenization scheme in coupled thermoplasticity. It is shown that the Sachs and Lin-Taylor schemes are not able to represent the thermal evolutions observed during fatigue tests.

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Matériaux
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Dates et versions

hal-00082152 , version 1 (01-06-2021)

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Eric Charkaluk, Andrei Constantinescu. Estimation of the mesoscopic thermoplastic dissipation in High-Cycle Fatigue. Comptes Rendus Mécanique, 2006, 334, pp.373-379. ⟨10.1016/j.crme.2006.03.014⟩. ⟨hal-00082152⟩
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