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Article Dans Une Revue Revue de Métallurgie-CIT/Sciences et Génie des Matériaux Année : 2003

Numerical study of crystalline plasticity: measurements of the heterogeneities due to grain boundaries under small strains

Samuel Forest
Georges Cailletaud

Résumé

A finite element 3D polycrystalline aggregate made of 216 grains is subjected to a mean axial deformation up to 1 %. The heterogeneities inside the polycrystal are due to the crystallographic orientations of the grains-this appears at the scale of the mean responses per grain-and to the local interaction between neighbouring grains-this appears at the intragranular scale. The intragranular heterogeneity is measured as a function of the distance to the grain boundary, inside a single grain and for all the points of the microstructure.
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Dates et versions

hal-02327358 , version 1 (29-01-2022)

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Citer

Fabrice Barbe, Samuel Forest, Stéphane Quilici, Georges Cailletaud. Numerical study of crystalline plasticity: measurements of the heterogeneities due to grain boundaries under small strains. Revue de Métallurgie-CIT/Sciences et Génie des Matériaux, 2003, 100 (9), pp.815-823. ⟨10.1051/metal:2003207⟩. ⟨hal-02327358⟩
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