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On Vaporization of Iron upon Shock Compression

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Combustion, Explosion, and Shock Waves Aims and scope

Abstract

The previously developed wide-range multiphase equation of state for Fe was used to calculate the shock pressure leading to vaporization of iron under isentropic unloading to 10-4 GPa (1 atm). Calculations were made for three initial states of the material: pressure 1 atm and temperature 298 K (“cold" initial state), 1 GPa and 1500 K (“warm" state), and 40 GPa and 4000 K (“hot" state). The shock pressure is 359, 261, and 132 GPa, respectively. These values are generally lower than the estimates by other authors. Arguments in support of the obtained values are provided.

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  1. All-Russian Research Institute of Experimental Physics (VNIIEF), Russian Federal Nuclear Center, 607188, Sarov, Russia

    A. B. Medvedev

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  1. A. B. Medvedev
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Correspondence to A. B. Medvedev.

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Translated from Fizika Goreniya i Vzryva, 2022, Vol. 58, No. 6, pp. 100-109. https://doi.org/10.15372/FGV20220609.

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Medvedev, A.B. On Vaporization of Iron upon Shock Compression. Combust Explos Shock Waves 58, 719–727 (2022). https://doi.org/10.1134/S0010508222060090

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  • DOI: https://doi.org/10.1134/S0010508222060090

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