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Pedoto, Giuseppe,Smerdova, Olga,Grandidier, Jean-Claude,Gigliotti, Marco,Vinet, Alain Techno-Press 2020 Advances in aircraft and spacecraft science Vol.7 No.6
This paper is focused on the characterization of the thermomechanical properties of semicrystalline poly-ether-ether-ketone (PEKK) and of carbon fiberreinforced thermoplastic based laminated composites (C/PEKK) below and above the glass transition temperature (T<sub>g</sub>). Differential Scanning Calorimetry (DSC), Dynamic Mechanical Analysis (DMA) and tensile tests are carried out on both pure PEKK polymer and [(±45)<sub>2</sub>, +45]<sub>s</sub> C/PEKK composite samples, showing a significant similarity in behavior. The employment of a simple micromechanical model confirms that the mechanical and physical behavior of the polymer and that of the matrix in the composite are similar.