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A semi-empirical equation of state for iron with allowance for five condensed phases ( α, γ, δ, ɛ , and liquid phases), evaporation, and thermal ionization is derived. As a whole, results of model calculations are consistent with static and dynamic experimental data in the pressure range from the atmospheric value to ≈10 TPa and in the temperature range from room temperature to ≈10 5 K. The viscosity of liquid iron under conditions typical for the Earth core is estimated on the basis of the liquid model.
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A. B. Medvedev (2014) studied this question.
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