Thermodynamic Properties of alpha -Rhombohedral Boron From 16.05 to 714.5K

Thermodynamic Properties of alpha -Rhombohedral Boron From 16.05 to 714.5K

The enthalpy H sub T --H sub 298.15 and the heat capacity C sub p of alpha -rhombohedral boron have been determined experimentally by mixing isothermal calorimetry in the temp. range 298.15-714.5K. The equations H sub T --H sub 298.15 = f sub 1 (T) and C sub p = f sub 2 (T) are obtained. The smoothe...

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Veröffentlicht in:Journal of the less-common metals 1984-10, Vol.117 (1-2), p.143-151
Hauptverfasser: Tsagareishvili, D H, Tsagareishvili, G V, Omiadze, I S
Format: Artikel
Sprache:eng
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Zusammenfassung:The enthalpy H sub T --H sub 298.15 and the heat capacity C sub p of alpha -rhombohedral boron have been determined experimentally by mixing isothermal calorimetry in the temp. range 298.15-714.5K. The equations H sub T --H sub 298.15 = f sub 1 (T) and C sub p = f sub 2 (T) are obtained. The smoothed values of the basic thermodynamic properties of alpha -rhombohedral B were found by processing the experimental data on low temp. heat capacities measured by low temp. adiabatic calorimetry in the temp. range 16.05-317.9K. A curve for the Debye temp. vs. T is constructed. 6 ref.--AA
ISSN:0022-5088