Abstract
In laminated composites, interfaces are the transfer spots of mechanical charges, mechanical over-stresses adaptations and energy dissipations. We have realised an experiment in order to observe the visco-elastic interface behaviour of a laminated composite. Between two composite plies of a multilayer cantilever beam, piezoelectric PVDF thin films are bonded. The voltage signals generated by the piezoelectric elements are dependant of the expected interlaminar stresses. The data acquisition system program of the signals is written with LabVIEW®. The results of the experiment validate the parameters of finite element simulations realised on the dynamic behaviour of the cantilever beam.
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