Journal
PHYSICA B-CONDENSED MATTER
Volume 387, Issue 1-2, Pages 344-351Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physb.2006.04.029
Keywords
ratio of specific heats; Gruneisen function; specific heat at constant volume; isothermal compressibility; acoustic impedance
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Thermodynamic relations involving experimentally known physical quantities are used to determine the ratio of specific heats, T, for s-block (Na, K, Rb, Cs, Mg), d-block (Fe, Co, Ni, Cu, Ag, Au, Zn, Cd, Hg) and p-block (Al, Ga, In, Tl, Sn, Pb, Sb, Bi, Se, Te) liquid metals. gamma is further utilized to determine reliable values for the isothermal compressibility (kappa(T)) and the specific heat at constant volume (C-V) for these liquid metals near and above the melting temperatures. These data are of considerable significance for various thermo-physical analysis of liquid metals. We have also evaluated the Gruneisen function and its temperature dependence to establish the correlation between the thermal expansion and the elastic response to thermally induced stress. The values of acoustic impedance for liquid metals are evaluated and its physical significance is discussed for the transmission of elastic waves across metallic interfaces. (c) 2006 Elsevier B.V. All rights reserved.
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