Papers by Author: Elena P. Tesleva

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Authors: Elena P. Tesleva, Tatiana Belkova
Abstract: The article studies the elastic properties of anisotropy and interatomic anharmonicity in a two-component Cu3Au alloy with positional order-disorder within the temperature interval of 4.2 К and 300 К. It provides calculations on velocities of purely transverse and longitudinal elastic waves, elastic moduli (Young’s, shear, adiabatic bulk moduli) and Poisson’s ratios based on the stiffness constants сij(T) of the crystal. Sound velocity values were employed for determining the temperature changes of Grüneisen parameter along the crystallographic directions [100], [110] and [111].
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Authors: Elena P. Tesleva
Abstract: The article studies the elastic properties of anisotropy and interatomic anharmonicity in a two-component Cu3Au alloy with positional order-disorder within the high temperature interval of 300 К and 725 К. It provides calculations on velocities of purely transverse and longitudinal elastic waves, elastic moduli (Young’s, shear, adiabatic bulk moduli) and Poisson’s ratios based on the stiffness constants сij(T) of the crystal. Sound velocity values were employed for determining the temperature changes of Grüneisen parameter along the crystallographic directions [100], [110] and [111].
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Authors: V.F. Torosyan, Xian Lai Zeng, E.S. Torosyan, А.N. Lazareva, Elena P. Tesleva
Abstract: Mechanical engineering is the leading business unit, capable of giving impetus to innovation development of all industry sectors virtually, so restructuring and development of innovative production in engineering industry is an objective and urgent problem of modern times.
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Authors: T.A. Sitnikova, E.B. Zhukov, T.A. Golovina, N.A. Saprykina, Elena P. Tesleva
Abstract: The chemical composition, structure and microhardness of detonation coatings based on mechanically activated mixture of basalt powder and TiAl have been studied. It has been shown that the application of mechanomixture with detonation method results in the formation of composite coating similar to the composition of starting mixture. It has high microhardness and temperature resistance that will increase the wear resistance of the parts coated with basalt at elevated temperatures.
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