Thermal Properties of CuGa2 Phase in Inert Atmosphere

T.V. Kulikova; V.A. Bykov; K. Y. Shunyaev; A.B. Shubin

doi:10.4028/www.scientific.net/DDF.326-328.227

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HomeDefect and Diffusion ForumDefect and Diffusion Forum Vols. 326-328Thermal Properties of CuGa2 Phase in Inert...

Thermal Properties of CuGa₂ Phase in Inert Atmosphere

Abstract:

Thermal decomposition of copper digallide was studied using experimental (thermal analysis) and theoretical (thermodynamic modeling) methods. The temperatures of CuGa₂ incongruent melting are in satisfactory agreement between experimental and calculated values. Small differences with the phase diagram can be explained by minor non-stoichiometry of the alloy samples. The experimental studies of thermal diffusivity and thermal expansion of CuGa₂ were performed in the temperature range 298-500 K. The heat conductivity coefficient was further calculated using literary data concerning the density and heat capacity of the copper digallide.

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Periodical:

Defect and Diffusion Forum (Volumes 326-328)

Pages:

227-232

DOI:

https://doi.org/10.4028/www.scientific.net/DDF.326-328.227

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Online since:

April 2012

Authors:

T.V. Kulikova, V.A. Bykov, K. Y. Shunyaev, A.B. Shubin

Keywords:

Copper, Gallide, Thermal Conductivity (TC), Thermal Decomposition

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