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Shock Melting and Vaporization of Metals

Ahrens, Thomas J. (1972) Shock Melting and Vaporization of Metals. Journal of Applied Physics, 43 (5). pp. 2443-2445. ISSN 0021-8979. doi:10.1063/1.1661519.

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The effect of initial porosity on shock induction of melting and vaporization is investigated for Ba, Sr, Li, Fe, Al, U, and Th. For the less compressible of these metals, it is found that for a given strong shock‐generation system (explosive in contact, or flyer‐plate impact) an optimum initial specific volume exists such that the total entropy production, and hence the amount of metal liquid or vapor, is a maximum. Initial volumes from 1.4 to 2.0 times crystal volumes, depending on the metal sample and shock‐inducing system, will result in optimum postshock entropies.

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Additional Information:© 1972 American Institute of Physics. Received 20 September 1971. Supported under the auspices of the Atomic Energy Commission and NASA Grant No. NGL-05-002-105.
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Atomic Energy CommissionUNSPECIFIED
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Other Numbering System NameOther Numbering System ID
Caltech Division of Geological and Planetary Sciences2069
Issue or Number:5
Record Number:CaltechAUTHORS:20120724-082317999
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:32659
Deposited By: Tony Diaz
Deposited On:24 Jul 2012 19:23
Last Modified:09 Nov 2021 21:29

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