Acoustic and elastic properties of Cu<sub>3</sub>Au alloy between 4.2…300 K

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 K and 300 K. 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 c_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].

Original language	English
Title of host publication	Innovative Technologies and Economics in Engineering
Editors	D.A. Chinakhov, D.A. Chinakhov
Publisher	Trans Tech Publications Ltd
Pages	519-524
Number of pages	6
ISBN (Electronic)	9783038352815, 9783038352815
DOIs	https://doi.org/10.4028/www.scientific.net/AMM.682.519
Publication status	Published - 1 Jan 2014
Event	5th International Scientific Practical Conference on Innovative Technologies and Economics in Engineering, 2014 - Yurga, Russian Federation Duration: 22 May 2014 → 23 May 2014

Publication series

Name	Applied Mechanics and Materials
Volume	682
ISSN (Print)	1660-9336
ISSN (Electronic)	1662-7482

Conference

Conference	5th International Scientific Practical Conference on Innovative Technologies and Economics in Engineering, 2014
Country	Russian Federation
City	Yurga
Period	22.5.14 → 23.5.14

Keywords

Anharmonicity
Grüneisen parameter
Longitudinal and shear elastic wave
Positional order-disorder

ASJC Scopus subject areas

Engineering(all)

Access to Document

10.4028/www.scientific.net/AMM.682.519

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Acoustic and elastic properties of Cu₃Au alloy between 4.2…300 K. / Tesleva, Elena; Belkova, Tatiana.

Innovative Technologies and Economics in Engineering. ed. / D.A. Chinakhov; D.A. Chinakhov. Trans Tech Publications Ltd, 2014. p. 519-524 (Applied Mechanics and Materials; Vol. 682).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Tesleva, E & Belkova, T 2014, Acoustic and elastic properties of Cu₃Au alloy between 4.2…300 K. in DA Chinakhov & DA Chinakhov (eds), Innovative Technologies and Economics in Engineering. Applied Mechanics and Materials, vol. 682, Trans Tech Publications Ltd, pp. 519-524, 5th International Scientific Practical Conference on Innovative Technologies and Economics in Engineering, 2014, Yurga, Russian Federation, 22.5.14. https://doi.org/10.4028/www.scientific.net/AMM.682.519

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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 K and 300 K. It provides calculations on velocities of purely transverse and longitudinal elastic waves, elastic moduli (Young{\textquoteright}s, shear, adiabatic bulk moduli) and Poisson{\textquoteright}s ratios based on the stiffness constants cij(T) of the crystal. Sound velocity values were employed for determining the temperature changes of Gr{\"u}neisen parameter along the crystallographic directions [100], [110] and [111].",

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