Prediction of thermal conductivities of laminated composites using penny-shaped fillers

Lee, Jae-Kon

doi:10.1007/s12206-008-0815-9

Cited by 4 publications

(2 citation statements)

References 32 publications

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“…In agreement with the cylindrical geometry of fibers and their transversely isotropic behavior around the same axis, the composite exhibits also a transversely isotropic behavior around x 1 . Note also that the effective longitudinal conductivity k L hom corresponds to the classical law of mixtures and, more generally, that results are similar to those obtained with self-consistent formula [27,28]. Including data of Table 1, numerical application leads to k L hom ¼ 5; 80 W/m/K and k T hom ¼ 0; 85 W/m/K, which confirms the preferential conduction of the composite along its longitudinal direction.…”

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Heat source estimation in anisotropic materials

Valès

cuartas

Welemane

et al. 2016

Composite Structures

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The present paper is devoted to the determination of heat source dissipation from infrared thermographic measurements. Such procedure is mainly based on the heat diffusion equation provided by thermodynamics principles. Especially, this requires time and spatial derivation of temperature fields and the knowledge of the material thermal conductivity. This work intends to extend such classical procedure for isotropic materials to the anisotropic context. At first, we propose a comparative study of several filtering methods required for the data processing of noisy and discrete thermal acquisitions. In a second part, a transversely isotropic effective thermal conductivity tensor is estimated by means of a homogenization-based method. From these both results, a heat source application is presented in order to analyze damage phenomena in transversely isotropic CFRP submitted to tensile tests.

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