Abstract
Technological operations, where the temperature gradient significantly affects the thermal expansion of the material, require care in the choice of thermal stress with respect to the material used. A high temperature gradient can result in an increase in thermal stresses, which can result in plastic deformation of the material or even its failure. Clad materials are generally very sensitive to thermal stress. Especially if it is a composite material composed of layers with very different coefficients of thermal conductivity and thermal expansion, in our case structural steel and tombac. The aim of this study is to use the finite element method to simulate the maximum allowable thermal stress of a rolled clad composite composed of layers of tombac (CuZn90/10) and a core of structural steel S235JR + N, when there is no plastic deformation.
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