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Article Dans Une Revue Procedia Engineering Année : 2010

Modelling finite deformation stress-strain response during loadingunloading of polyethylene over a wide range of crystallinities

Résumé

Experimental observations are reported on the finite deformation stress-strain response during loading-unloading of polyethylene materials covering the range of crystal volume fractions 0.15–0.72. Hyperelastic-viscoplastic constitutive equations, based on a two-phase interpretation of the microstructure, are derived. It is shown that the constitutive model adequately describes the experimental observations under loading-unloading conditions.

Dates et versions

hal-01215203 , version 1 (13-10-2015)

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Georges Ayoub, Fahmi Zairi, C. Frederix, Jean-Michel Gloaguen, Moussa Nait-Abdelaziz, et al.. Modelling finite deformation stress-strain response during loadingunloading of polyethylene over a wide range of crystallinities. Procedia Engineering, 2010, 2 (1), pp.977-984. ⟨10.1016/j.proeng.2010.03.106⟩. ⟨hal-01215203⟩
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