Abstract
Second-order forms for the material response functions of an elastic heat conductor are derived by approximating the response functions by polynomials in the appropriate invariants. Solutions based upon these forms of the response functions are exact for special materials and approximate for general materials. The second-order dependence on temperature of isothermal elasticity solutions is found, and the results are shown to agree well with experimental data taken on rubber. Within the second-order theory for incompressible and isotropic bodies, the problems of biaxial stretching of a plate with transverse heat flow and the simultaneous extension and shear of a cylindrical annulus with radial heat flow are solved.
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