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Une modélisation des ponts de fibres pour le délaminage des matériaux composites

Abstract : In this work, we model the delamination in the long fiber composite material. More precisely, we study a modelling of the fiber bridging contribution in the dissipative energy during delamination test in mode I, mode II, mixed mode. For this, we introduce a density of damageable spring along the crack, to simulate the fiber bridging. This approach permit us to keep simple propagation criteria. Then, we perform a numerical simulation of different tests, as the D.C.B., the E.l.S. and the M.M.F.S. with the Newton-Raphson method. The result, we obtain, agree with the experimental observation
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https://hal.univ-lorraine.fr/tel-01776867
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Loïc Daridon. Une modélisation des ponts de fibres pour le délaminage des matériaux composites. Autre. Université Paul Verlaine - Metz, 1993. Français. ⟨NNT : 1994METZ070S⟩. ⟨tel-01776867⟩

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