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Shock compression and isentropic release of rhyolite

Yang, W. and Chen, G. and Anderson, W. W. and Ahrens, Thomas J. (1994) Shock compression and isentropic release of rhyolite. In: High-pressure science and technology, 1993. AIP Conference Proceedings. No.309. American Institute of Physics , New York, NY, pp. 1115-1118. ISBN 1-56396-219-5.

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A series of shock compression experiments have been conducted on rhyolite at pressure ranging from 6 to 33 GPa. A velocity interferometer (VISAR) was employed to monitor the particle velocity of an aluminum reflector with a diffused surface bonded to the rhyolite sample. In the forward ballistic experiments, a slow rise shock wave front is observed at 6 GPa. While in the forward experiments their release waves are smeared, in a reverse ballistic experiment, the particle velocity variation at the shock wave plateau and the isentropic release wave arrival have been clearly observed. Using Swegle’s mixed phase model, we simulated the experimental results with WONDY code. Like quartz and granite, the rhyolite data could be fit to a frozen release model which has some hysteric behavior. The Eulerian sound velocity at shock pressure 8.7 GPa has been determined to be 5.6 km/s.

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Additional Information:© 1994 American Institute of Physics. This research is supported under Contract F49670-92-J-0402 and Mission Research Corp. Subcontract #SC-0064-90-0002. Division of Geological and Planetary Sciences Contribution #5325.
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Air Force Office of Scientific Research (AFOSR)F49670-92-J-0402
Mission Research Corp. SubcontractSC-0064-90-0002
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Caltech Division of Geological and Planetary Sciences5325
Series Name:AIP Conference Proceedings
Issue or Number:309
Record Number:CaltechAUTHORS:20141022-085218891
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Official Citation:Shock compression and isentropic release of rhyolite W. Yang, G. Chen, W. W. Anderson and Thomas J. Ahrens AIP Conf. Proc. 309, 1115 (1994);
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:50669
Deposited By: Ruth Sustaita
Deposited On:22 Oct 2014 19:13
Last Modified:03 Oct 2019 07:25

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