Abstract
Deformation and fracture behavior of notched cross-ply CFRP laminates has been simulated computationally by use of a probabilistic fracture model. On the basis of the Weibull weakest link theory, the tension-softening relation is first determined and then the equation of macroscopic fracture energy of the laminates is derived. The nonlinearity of the load-displacement curve is explained from the viewpoint of the nonlinearity of shear modulus and the serration from the viewpoint of the scatter of debond stress and pull-out length. It is found that the results of the computational simulation and the experiment agree well.
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Schedule a callMore From: Journal of the Japan Society for Composite Materials
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