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Thermal conductivity and diffusivity of carbon‐reinforced polyetherketoneketone composites

Abstract : Heat transfer properties play an important role in processing of polyetherketoneketone (PEKK)/carbon fiber (CF) composites. Accordingly, thermal conductivity and diffusivity of PEKK, PEKK/glassy carbon (GC), and PEKK/CF composites have been studied. Observed increase in conductivity and diffusivity with carbon filler addition was analyzed using the Maxwell–Eucken model. PEKK/GC composites with low carbon fraction indicated good fitting experimental points of the model, indicating good dispersion of particles. For PEKK/CF composites, the thermal conductivity and diffusivity increase is a reflection of a decrease in porosity. Results as observed from the model points to a homogenous dispersion within the PEKK/CF composites as well.
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Submitted on : Thursday, July 18, 2019 - 12:11:26 PM
Last modification on : Wednesday, June 24, 2020 - 4:18:57 PM


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Mike Coulson, Eric Dantras, Philippe Olivier, Nathalie Gleizes, Colette Lacabanne. Thermal conductivity and diffusivity of carbon‐reinforced polyetherketoneketone composites. Journal of Applied Polymer Science, Wiley, 2019, 136 (38), pp.47975. ⟨10.1002/app.47975⟩. ⟨hal-02188218⟩



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