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Non-conventional experimental procedures have been designed in order to characterize the overall constitutive properties and to follow the evolution of the damaging phenomena leading to fracture of heterogeneous and anisotropic paperboard composites. Specimens are monitored all along the tests, either by digital image correlation or by laser profilometry, in order to recover qualitative and quantitative information about the material deformation in the different considered experimental configurations. The interpretation of the results is supported by the numerical simulation of the tests.
KEYWORDS. Fracture tests; Experiments; Modelling; Paperboard composites.