一方向繊維強化複合材料の熱伝導率の解析と実験
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概要
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The key point of the present investigation is to consider the fiber anisotropy in thermal conductivity, which remains unclarified. An analytical procedure similar to the calculation of the longitudinal shear modulus is employed here. Thermal conductivities of CFRP-UD and Epoxy resin are measured by using an apparatus based on the infra-red radiation method. Accuracy of these experimental data is guaranteed. Thermal conductivities of carbon fiber itself which can hardly be measured directly are estimated by combining these analytical and experimental results. Not only in the case of elastic moduli but thermal conductivity, it is clarified that the carbon fibers are highly anisotropic. There can be observed a considerable difference of analytical results of thermal conductivity for two idealized fiber packing arrangements at large V<SUB>f</SUB> to the same extent as the case of the longitudinal shear modulus.
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