Abstract:The cohesive strength is an important parameter in numerically modeling composite delamination via cohesive zone model‐based FEM. A micromechanical model is proposed to predict the cohesive strength based on Eshelby's equivalent inclusion method (EIM). In this model, it is considered that the cohesive strength depends heavily on the stress concentrations at the microscopic level. The cohesive strengths of T700/QY8911 and AS4/PEEK laminates at various cross‐angles of the bidirectional fibers are computed using … Show more
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