Abstract

The theories of Hasselman et al. and Benveniste et al. were extended to derive expressions for the thermal conductivity of continuous matrix composites containing dilute volume fractions of uniaxial coated cylindrically orthotropic fibers with interfacial thermal barriers at the fiber-coating and coating-matrix interfaces. The transverse thermal conductivity of this type of composite was found to depend on ten variables: the thermal conductivities of the matrix and coating, the radial and tangential components of the fiber thermal conductivity, the volume fractions of fibers and coating, the absolute dimensions of the fiber and coating, and the interracial thermal conductances at both interfaces.

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