Abstract:Here the thermal equation of states (EOS) for body-centered cubic (bcc) tungsten (W) is evaluated using embedded-atom method (EAM). To reproduce the materials properties under high pressure and high temperature reasonably well, we extend EAM by improving the analytic expressions of the functions of electron density and embedding energy based on the quantum-mechanical results of the electron density distribution in crystal lattice and the variation of energy with respect to the electron density. Then we determi… Show more
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