Abstract
Within the framework of the thermodynamic approach, the temperature change during adiabatic elastic deformation of solids (thermoelastic effect) is determined taking into account the presence of internal defects. The contribution of the defect structure of the material to the Kelvin’s relation in the presence of mechanical stresses in the material is determined. It is shown that changes in the coefficient of thermal expansion of a material caused by the dependence of the elastic modulus and the concentration of defects on temperature can have the opposite direction.
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