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Chinese Journal of High Pressure Physics  > 2006  >  20(2): 139-144 .
HUANG Hai-Jun, JING Fu-Qian, CAI Ling-Cang, BI Yan, MENG Chuan-Min. Studies of the Hugoniot Curve for Fe/FeO/FeS Mixture[J]. Chinese Journal of High Pressure Physics, 2006, 20(2): 139-144 . doi: 10.11858/gywlxb.2006.02.005
Citation: HUANG Hai-Jun, JING Fu-Qian, CAI Ling-Cang, BI Yan, MENG Chuan-Min. Studies of the Hugoniot Curve for Fe/FeO/FeS Mixture[J]. Chinese Journal of High Pressure Physics, 2006, 20(2): 139-144 . doi: 10.11858/gywlxb.2006.02.005
shu

Studies of the Hugoniot Curve for Fe/FeO/FeS Mixture

doi: 10.11858/gywlxb.2006.02.005

  • Laboratory for Shock Wave and Detonation Physics Research, Institute of Fluid Physics, CAEP, Mianyang 621900, China

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  • Corresponding author: HUANG Hai-Jun
  • Received Date: 06 Apr 2005
  • Rev Recd Date: 10 May 2005
  • Publish Date: 05 Jun 2006
    Abstract
  • Hugoniot compression curve for the mixture of Fe/FeO/FeS (58.96%/35.83%/5.21%, mass fraction) has been measured from 50 to 210 GPa, using two-stage light-gas gun and electric pin technique. The measured Hugoniot parameters are: C0＝(3.970.07) km/s, ＝1.580.03 and initial density 0＝(6.690.06) g/cm3. Based on additive volume law, the compressional curves of this mixture along Hugoniot and along 0 K isothermal were also calculated respectively according to the Hugoniot curve and 0 K isothermal relevant to the ingredients, which showed both are consistent well with the experimental Hugoniot and the 0 K isothermal deduced from the experimental Hugoniot using the Wu's method. Thus it demonstrated the rationality of this experimental Hugoniot and the applicability of the additive volume law hold for this mixture. For the letter, it also implies that no detectable chemical reactions happen between Fe, FeO, FeS ingredients while they were subjected to shock compression in this work. The above mentioned results provide a basis for investigating the candidate concentrations of Earth's outer core if it is a Fe-O-S assembly, for the further details.

     

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