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IJPAP Vol.50(10) [October 2012] >


Title: Pressure derivatives of bulk modulus for materials at extreme compression
Authors: Singh, P K
Dwivedi, A
Keywords: Pressure derivatives
Bulk modulus
Equations of state
Extreme compression behaviour
Issue Date: Oct-2012
Publisher: NISCAIR-CSIR, India
Abstract: The method based on the calculus of indeterminates for demonstrating that all the physically acceptable equations of state satisfy the identities for the pressure derivatives of bulk modulus of materials at extreme compression, has been developed. The specific examples of the Birch-Murnaghan finite strain equation, the Poirier-Tarantola logarithmic equation, the Rydberg-Vinet potential energy equation, the Keane K-primed equation and the Stacey reciprocal K-primed equation, have been considered. Expressions for the bulk modulus and its pressure derivatives have been derived and reduced to the limit of infinite pressure. The expressions thus obtained are useful for further analysis of higher derivative thermoelastic properties.
Page(s): 734-738
CC License:  CC Attribution-Noncommercial-No Derivative Works 2.5 India
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.50(10) [October 2012]

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