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Influence on crack profiles of multi-layered Al/CFRP hybrid composites by using FE simulation
Preview AbstractThis study aims to investigate a finite element analysis on Al/CFRP Hybrid composites with a flaw in-between bonding surfaces. 2D model was considered to simplify the 4-layered structures with a circular flaw. The determination of debonding condition on multi-layered hybrid composites is subtle because the crack paths are unpredictable. In this model, the crack profiles depend on the applied stress, materials, bonding strengths and initial shapes of the flaw. The main idea is to find the key reason of failure on this material by means of fracture mechanics approach. The crack opening profiles are interesting to determine what kinds of factors are more influential for the structure. Williams expansion was used to analyze the profiles by the simulation results. We finally take into account the results to discuss the main fracture mechanism with the influential factors.