Acoustic and Elastic Properties of Cu3Au Alloy between 4.2...300 К

Elena P. Tesleva; Tatiana Belkova

doi:10.4028/www.scientific.net/AMM.682.519

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 682Acoustic and Elastic Properties of Cu3Au Alloy...

Acoustic and Elastic Properties of Cu₃Au Alloy between 4.2...300 К

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 с_ij(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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Periodical:

Applied Mechanics and Materials (Volume 682)

Pages:

519-524

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.682.519

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Online since:

October 2014

Authors:

Elena P. Tesleva*, Tatiana Belkova

Keywords:

Anharmonicity, Grüneisen Parameter, Longitudinal, Positional Order-Disorder, Shear Elastic Wave

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References

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