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Bent F. Sørensen's picture

A paper on fracture resistance enhancement of layered structures by multiple cracks

We have just published a new paper that presents a theoretical model to test if the fracture resistance of a layered structure can be increased by introducing weak layers changing the cracking mechanism. An analytical model, based on the J integral, predicts a linear dependency between the number of cracks and the steady state fracture resistance. A finite element cohesive zone model, containing two cracking planes for simplicity, is used to check the theoretical model and its predictions.

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