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IJPAP Vol.48(06) [June 2010] >


Title: Thermoelastic properties of NaCl crystal using Holzapfel AP2 equation of state
Authors: Singh, P K
Keywords: Isothermal pressure-volume relationship
NaCl crystal
Grüneisen parameters
Pressure derivatives
Bulk modulus
Equation of state
Issue Date: Jun-2010
Publisher: CSIR
Abstract: Pressure P, bulk modulus K and its first and second pressure derivatives K' and K'', and the Grüneisen parameter and its volume derivative q for NaCl crystal down to a compression, V/V0 = 0.65 have been studied. These properties have been calculated along different isotherms at selected temperatures in the range 300-1050 K using Holzapfel AP2 equation of state. The results obtained have been found to be in good agreement with the data reported in the literature. A reciprocal K-primed equation, quadratic in P/K, has been found to satisfy the relationship between P, K and K' along with different isotherms, and is also consistent with the values of K'' at different compressions and temperatures. Volume dependence of the Grüneisen parameter has been discussed in terms of the existing recent formulations.
Page(s): 403-409
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.48(06) [June 2010]

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