Abstract
This chapter presents a damage model and numerical method for predicting the dynamic progressive failure properties of Al-glass fiber/epoxy hybrid composite laminates under low-velocity impact. Puck failure criteria is adopted for composite laminates and the Johnson-Cook model is used for dynamic analysis of Al metal layer. The damage evolution and energy dissipation mechanisms of hybrid laminates using explicit FEA are explored by comparing the effects of different metal thickness and impact energy. Results show that the introduced Al metal layer improves the energy dissipation ability and impact-resistance of composites.
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