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Shock compression and release of polycrystalline magnesium oxide

Duffy, Thomas S. and Ahrens, Thomas J. (1994) Shock compression and release of polycrystalline magnesium oxide. In: High-pressure science and technology, 1993. AIP Conference Proceedings. No.309. American Institute of Physics , Melville, NY, pp. 1107-1110. ISBN 1-56396-219-5.

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Release wave profile and Hugoniot equation of state data for low‐porosity polycrystalline MgO are reported to 36 and 133 GPa, respectively. At low pressure, the Hugoniot lies above single‐crystal data, reflecting material strength of 3.1±0.8 GPa. Unloading wave velocities to 27 GPa are consistent with extrapolated compressional sound velocities. The unloading profiles can be fit using a viscoplastic model, but there are significant differences between waveforms for different experimental geometries.

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Additional Information:© 1994 American Institute of Physics. Published online 10 July 1994. We thank M. Long, A. Devora, and E. Gelle for experimental assistance and L. S. Durango for editorial assistance. We are grateful to Dr. S. Rigden (ANU) for the ultrasonic sound velocity measurements. This research was supported by the NSF. Division of Geological and Planetary Sciences, California Institute of Technology contribution 5291.
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Caltech Division of Geological and Planetary Sciences5291
Series Name:AIP Conference Proceedings
Issue or Number:309
Record Number:CaltechAUTHORS:20141022-141525607
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Official Citation:Shock compression and release of polycrystalline magnesium oxide Thomas S. Duffy and Thomas J. Ahrens AIP Conf. Proc. 309, 1107 (1994);
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:50693
Deposited By: Ruth Sustaita
Deposited On:22 Oct 2014 21:35
Last Modified:03 Oct 2019 07:25

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