Abstract
AbstractIn the present study, interlaminar crack initiation in symmetric angle‐ply laminates under tensile loading is investigated using the coupled stress and energy criterion, whereby the required stress and energy quantities are determined by means of a new analytical closed‐form model. The identification of unknown interface fracture toughnesses is addressed by a parameter fit within physical reasonable limits. The resulting effective failure loads are compared to experimental data and show the high potential of the coupled criterion on the one hand and of the proposed analytical model on the other hand.
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