Multiphase Equation of States of the Solid and Liquid Phases of Al and Ta
LI Ying-Hua1,CHANG Jing-Zhen2 LI Xue-Mei1,ZHANG Lin1**
1Science and Technology on Shock Wave and Detonation Physics Laboratory, Institute of Fluid Physics, P.O. Box 919-102, Mianyang 621900 2Institute of Structural Mechanics, China Academy of Engineering Physics, Mianyang 621900
Multiphase Equation of States of the Solid and Liquid Phases of Al and Ta
LI Ying-Hua1,CHANG Jing-Zhen2 LI Xue-Mei1,ZHANG Lin1**
1Science and Technology on Shock Wave and Detonation Physics Laboratory, Institute of Fluid Physics, P.O. Box 919-102, Mianyang 621900 2Institute of Structural Mechanics, China Academy of Engineering Physics, Mianyang 621900
摘要The multiphase equation of states (EOSs) of both the solid and liquid phases of Al and Ta are presented. These EOSs are carried out on the basis of the Helmholtz free energy, where the ion vibration free energy is evaluated from the mean field potential (MFP) model we recently proposed [Physica B 406 (2011) 4163]. The calculated results show that our multiphase EOSs can give a good reproduction of the measured phase diagrams and other experimental data, including static high-pressure measurements, shock Hugoniots and the thermodynamic quantities of these metals.
Abstract：The multiphase equation of states (EOSs) of both the solid and liquid phases of Al and Ta are presented. These EOSs are carried out on the basis of the Helmholtz free energy, where the ion vibration free energy is evaluated from the mean field potential (MFP) model we recently proposed [Physica B 406 (2011) 4163]. The calculated results show that our multiphase EOSs can give a good reproduction of the measured phase diagrams and other experimental data, including static high-pressure measurements, shock Hugoniots and the thermodynamic quantities of these metals.
LI Ying-Hua,CHANG Jing-Zhen LI Xue-Mei,ZHANG Lin**. Multiphase Equation of States of the Solid and Liquid Phases of Al and Ta[J]. 中国物理快报, 2012, 29(4): 46201-046201.
LI Ying-Hua,CHANG Jing-Zhen LI Xue-Mei,ZHANG Lin**. Multiphase Equation of States of the Solid and Liquid Phases of Al and Ta. Chin. Phys. Lett., 2012, 29(4): 46201-046201.
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