Verma, A. K. ; Rao, R. S. ; Godwal, B. K. (2004) Theoretical solid and liquid state shock Hugoniots of Al, Ta, Mo and W Journal of Physics: Condensed Matter, 16 (28). pp. 4799-4809. ISSN 0953-8984
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Official URL: http://iopscience.iop.org/0953-8984/16/28/004
Related URL: http://dx.doi.org/10.1088/0953-8984/16/28/004
Abstract
We present the Hugoniots of Al, Ta, Mo and W in their solid as well as liquid phases. The liquid phase calculations are carried out on the basis of the corrected rigid spheres (CRIS) model. The 0 K isotherm of the solid phases, which are the necessary inputs for our computations, have been obtained by full potential first principles electronic structure calculations with generalized gradient approximation (GGA) for the exchange-correlation terms. The melting curve as a function of pressure was obtained according to the recently published model based on dislocation mediated melting, and also compared with that using Lindemann criterion. Though the adiabatic pressure-volume curve is affected little by melting, the pressure-temperature curve shows substantial change.
Item Type: | Article |
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Source: | Copyright of this article belongs to Institute of Physics Publishing. |
ID Code: | 11934 |
Deposited On: | 13 Nov 2010 13:32 |
Last Modified: | 02 Jun 2011 08:52 |
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