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On the Constitutive Law for the Mechanical Quasi-static Response of Criss-Cross Composites (on the Example of UHMWPE)

Abstract : In this paper, out-of-plane compression of criss-cross composite materials, i.e. materials with ply stacking sequence of [0∘/90∘] n , is studied experimentally and analytically. All these composite materials have some common properties, such as 90∘ rotation (around the axis perpendicular to the ply planes) symmetry in macroscopic properties; small ply thickness compared to all other linear dimensions (thickness of the whole material, linear dimensions in the ply plane); significantly different Poisson ratios between the fibre direction/perpendicular-to-the-fibre direction and the two perpendiculars to the fibre directions; ply thicknesses between 30 and 70 μ m.A constitutive anisotropic elasto-plastic law for this class of materials is proposed, and its validity with reference to Tensylon™ is verified experimentally. Satisfactory agreement is reached, and the viscous nature of the deviations between the model proposed and the experimental results is revealed.
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https://hal-ensta-bretagne.archives-ouvertes.fr/hal-01708559
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Submitted on : Tuesday, February 13, 2018 - 5:54:49 PM
Last modification on : Wednesday, November 3, 2021 - 5:45:32 AM

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C. Alil, M. Arrigoni, M. Badea, Claudiu Barbu, M. Istrate, et al.. On the Constitutive Law for the Mechanical Quasi-static Response of Criss-Cross Composites (on the Example of UHMWPE). Human Factors and Mechanical Engineering for Defense and Safety, 2017, 1 (1), ⟨10.1007/s41314-017-0006-5⟩. ⟨hal-01708559⟩

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