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Analytical Model of Laminar Composites Having Fibre Reinforced Polyester Faces and a Polypropylene Honeycomb Core; Experimental Testing of the Model

並列摘要


Experimental study of deformation behaviour of sandwich structures with a honeycomb core in the cases of quasi-static loading was carried out. The object of investigation was the static bending of the sandwich composite used for safety important structures made of woven glass fibre and polyvinylester resin composite facesheets with a polypropylene hexagonal honeycomb core. The results were obtained using equations of laminate theory; modified equations of beam theory were compared to experimental ones. As the analytically obtained results were in good agreement with the experimentally obtained ones, this methodology was used for the strength analysis of the investigated structure. The influence of geometrical parameters on the static behaviour of the sandwich structure was evaluated and their dependence on strength properties of the layered structure was assessed.

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