Abstract

AbstractThe effective thermal conductivity of Carbon Nanotube (CNT)‐polymer composites has been estimated using analytical and computational models. The analytical approach is based on the Cascade Continuum Micromechanics (CCM) model formulated within the framework of mean‐field homogenization and the computational approach is based on numerical homogenization of the composite microstructure using image based Voxel‐FEM (Finite Element Method). Comparison of the analytical and computational model predictions with experimental data show that the interfacial thermal resistance is overestimated by the analytical model as a consequence of not taking into account the CNT fiber tortuosity (curviness). (© 2017 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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