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1996

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From the history of physics


Explosive laboratory devices for shock wave compression studies

 a,  b,  c,  b
a Institute of Thermophysics of Extreme States, Joint Institute for High Temperatures, Russian Academy of Sciences, Izhorskaya 13/19, Moscow, 125412, Russian Federation
b All-Russian Scientific Research Institute of Experimental Physics — Federal Nuclear Centre, prosp. Mira 37, Sarov, Nizhny Novgorod region, 607190, Russian Federation
c Russian Federal Nuclear Center E.N.Zababakhin All-Russia Scientific Research Institute ofTechnical Physics, PO Box 245, Snezhinsk, Chelyabinsk Region, Russian Federation

History of creation and schemes of Arzamas-16 explosive laboratory devices for dynamical compressibility measurements at pressures up to 2-2.5 TPa are described, in which a thin, metallic impactor of spherical geometry is accelerated by the explosion products in converging detonation waves. The iron shock adiabat obtained with these devices over the period from 1948 to the early 60s and used as a dynamical standard in megabar and terapascal compressibility studies of other substances, is presented. In deriving its parameters for up to 10 TPa, iron compressibility data from underground nuclear explosions of the 70s, and calculated results from the modified quantum-statistical model have been employed.

Text can be downloaded in Russian. English translation is available on IOP Science.
PACS: 28.70.+y, 47.40.−x, 62.20.Fe (all)
DOI: 10.1070/PU1996v039n05ABEH000147
URL: https://ufn.ru/en/articles/1996/5/f/
Citation: Al’tshuler L V, Trunin R F, Krupnikov K K, Panov N V "Explosive laboratory devices for shock wave compression studies" Phys. Usp. 39 539–544 (1996)
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:   ,   ,   ,    «   » 166 575–581 (1996); DOI: 10.3367/UFNr.0166.199605f.0575

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