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Thermal conductivity and diffusivity of carbon-reinforced polyetherketoneketone composites

机译:碳增强聚醚酮酮酮复合材料的导热率和扩散性

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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. (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47975.
机译:传热性质在加工聚醚酮酮(PEKK)/碳纤维(CF)复合材料中起重要作用。 因此,已经研究了PEKK,PEKK /玻璃碳(GC)和PEKK / CF复合材料的导热性和扩散性。 使用Maxwell-eChen模型分析了观察到与碳填充剂的导电性和扩散性的增加。 具有低碳馏分的PEKK / GC复合材料表明模型的良好拟合实验点,表明颗粒的良好分散。 对于PEKK / CF复合材料,导热率和扩散率增加是孔隙率降低的反射。 从模型观察到PEKK / CF复合材料中的均匀分散的结果也是如此。 (c)2019 Wiley期刊,Inc.J.Phill。 聚合物。 SCI。 2019,136,47975。

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