Abstract:The fiber fabric layers in a preform can be wrinkled or overlapped during a preform loading of the resin transfer molding and thermoforming processes of thermoplastic composites. These fabric discontinuities affect both the mechanical properties and failure mechanisms of those composites. Based on the energy method, the analytical bending modulus is considered and compared to the experimental data for several wrinkling and overlapping patterns. Also, those effects on the bending properties are described throug… Show more
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