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A Pragmatic Approach for Modelling the Viscoelastic-Viscoplastic Behaviour of Short-Fibre Reinforced Thermoplastics Coupled with Anisotropic Damage

Abstract : In this paper, a previously developed viscoelastic-viscoplastic behaviour model for short-fibre-reinforced thermoplastics (SFRT) is enriched with matrix ductile damage and fibre/matrix interfacial debonding constitutive laws. Aiming at industrial applications, model development takes special care to ensure a relatively easy characterisation of material parameters, as illustrated with case of a short-glass-fibre-reinforced polypropylene. Numerical simulations are done to assess the capability of the model to account for all specificities of SFRT behaviour with a particular attention paid on the coupled influence of strain rate and microstructure configuration on the initiation and development of matrix damage and fibre/matrix debonding.
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https://hal-uphf.archives-ouvertes.fr/hal-03446893
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Submitted on : Wednesday, November 24, 2021 - 2:58:46 PM
Last modification on : Thursday, November 25, 2021 - 3:45:35 AM

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Delphine Notta-Cuvier, Mariem Nciri, Franck Lauro, Fahmi Chaari, Bassem Zouari, et al.. A Pragmatic Approach for Modelling the Viscoelastic-Viscoplastic Behaviour of Short-Fibre Reinforced Thermoplastics Coupled with Anisotropic Damage. Applied Composite Materials, Springer Verlag (Germany), 2021, 28 (2), pp.341-368. ⟨10.1007/s10443-020-09855-x⟩. ⟨hal-03446893⟩

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