Abstract
Shock wave data for Jilin ordinary chondrite and Nandan iron meteorite are measured by electric-pin techniques on the dynamic high-pressure device equipped with a two-stage light gas gun, and then equation-of-states supposedly fit for describing theirP- V-E relations are chosen to evaluate the values of their parameters. Demonstrated from the comparison between P-V curves of equation-of-states and experimental data points, P-V relation of Jilin ordinary chondrite can be described by the universal equation-of-state, of which bulk modulus value of zero-pressure Kos = 48.10 GPa, its pressure derivativeK’ os = 4.13. That of Nandan iron meteorite can be described by the three-term form of equation-of-state, of which the values of two matter parameters Q = 41.235 31 GPa, q = 12. 27179. The Hugoniot data and equation-of-states for Jilin ordinary chondrite and Nandan iron meteorite are first reported in this paper. The equation-of-state defined by Hugoniot data measurement provides strong empirical support for describing the compression of meteorites to high pressure.
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Project supported by the National Natural Science Foundation of China.
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Dai, C., Jin, X., Fu, S. et al. The equation-of-states of Jilin ordinary chondrite and Nandan iron meteorite. Sci. China Ser. D-Earth Sci. 40, 403–410 (1997). https://doi.org/10.1007/BF02877572
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DOI: https://doi.org/10.1007/BF02877572