“…The main difference of this theory with respect to the classical one is in the thermal dependence. The theory was proposed by Chen, Gurtin and Williams (see [1], [3], [6]) and several authors have dedicate its attention to this problem (Ieşan [7], Chen et al [2], [16], Quintanilla [11], [12], among others). In this paper where elastic effects are taken into consideration we deal with the two models proposed by Youssef [18].…”