Abstract
Temperature dependences of mechanical and thermophysical properties of the material are the initial data for estimating the stress-strain state of structural elements. However, when designing, the amount of this data is usually not enough. Under these conditions, the problem of modeling these properties arises. This problem is solved by taking into account the forces of interatomic interaction in the crystal structure on the example of a single crystal and polycrystal of aluminum. The results of calculating the elastic modulus, elastic limit and yield strength, Poisson’s ratio, coefficients of thermal conductivity, thermal expansion and material density are presented. A satisfactory convergence with the available reference data is obtained. The results obtained can be used as input data for the construction of compositions and alloys based on aluminum.
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