A simple analytical form of induced anisotropy of heat conductivitykij(λ1,λ2λ3,T) of initially isotropic polymer solids results from employing the simplified theory of the three‐chain model of the non‐Gaussian network. The analytical form appears to be valid up to a stretch ratio of λ = 2.65, which is the limit of existing experimental data. The effect of induced anisotropy on the temperature distribution, due to the large deformations, is illustrated for a highly expanded spherical shell and a cylindrical tube under a steady‐state heat flow using the derived analytical form of the strain‐dependent heat conductivity.
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Peng et al. (1975) studied this question.
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