Abstract

Unsteady thermal stresses in a plate made of functionally gradient material were discussed. Firstly, the new analytical method of one-dimensional unsteady heat transfer problem for heterogeneous materials was proposed. This method was performed with proper displacement of variables, Laplace transform and the perturbation method. Secondly, the accuracy of this method was examined for the functionally gradient material composed of ZrO2 and Ti-6Al-4V. Finally, unsteady thermal stresses were calculated for the mechanical boundary condition that the elongation and bending were free.

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