| Issue |
EPJ Web of Conferences
Volume 10, 2010
New Models and Hydrocodes for Shock Wave Processes in Condensed Matter
|
|
|---|---|---|
| Article Number | 00033 | |
| Number of page(s) | 4 | |
| DOI | https://doi.org/10.1051/epjconf/20101000033 | |
| Published online | 19 January 2011 | |
https://doi.org/10.1051/epjconf/20101000033
The P-V-T equation of state of Au and Pt: An alternative pressure scale in high P-T experiments
National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, China Academy of Engineering Physics, PO Box 919-102, Mianyang, Sichuan 621900, China
The pressure-volume-temperature equations and state (EOS) of Au and Pt have been investigated to the relative volume change of 0.5–0.6 and temperature up to 3000 K based on experimental shock Hugoniot data and a simple thermal pressure model within the Mie-Grüneisen-type analysis framework. The calculated results have excellent agreement with the available volume compression data over a wide range of pressure and temperatrure. The comparison of the calculated results with the previous theoretical investigations also has been performed. The crosscheck on independent data and the excellent agreements with experimental data confirm that the present isothermal EOS for these pressure standard materials can be used as high-pressure scales for static DAC experiments.
© Owned by the authors, published by EDP Sciences, 2010
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