Investigation of the optimal stacking sequence of Thin-Ply FML to suppress delamination in Transition Zone
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In the practical use of CFRP (Carbon Fiber Reinforced Plastics), bolted joints are commonly used, but it is known that this leads to a reduction in strength due to stress concentration at the bolted joints. One solution to this problem is the use of FML (Fiber Metal Laminates), in which the CFRP layer is locally replaced with a metal foil. In this application, the structural component locally reinforced with FML typically has a transition zone (TZ) which is designed for mitigating the damage initiation between CFRP and FML regions. In order to suppress the delamination between the CFRP and metal layers in this TZ when an external load is applied, I am conducting analysis and experiments on Thin-Ply FMLs with different stacking sequence.
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