Abstract:
The structure of the compression-pulse front in a heterogeneous energy material with a characteirstic size of granules of 100–300 μm and its inert simulator with a particle size of 3–5 mm is studied experimentally. Shock waves with an amplitude of the order of 0.1GPa were initiated by a 20-g explosive charge. The velocity of the free surface of the samples or the velocity on the boundary with a water window was recorded by a VISAR laser interferometer. It is shown that the variation in the mass rate in an energy material is of oscillating character, which is explained by the heterogeneous structure of the samples. Oscillations were not observed in a finely dispersed simulator. In addition, it is shown that the viscoelastic Maxwell model is suitable for averaging the description of the evolution of the compression pulse in the studied materials.
Citation:
B. R. Gafarov, A. V. Utkin, S. V. Razorenov, A. A. Bogach, E. S. Yushkov, “Front structure of a weak shock wave in dense composites”, Prikl. Mekh. Tekh. Fiz., 40:3 (1999), 161–167; J. Appl. Mech. Tech. Phys., 40:3 (1999), 501–506
\Bibitem{GafUtkRaz99}
\by B.~R.~Gafarov, A.~V.~Utkin, S.~V.~Razorenov, A.~A.~Bogach, E.~S.~Yushkov
\paper Front structure of a weak shock wave in dense composites
\jour Prikl. Mekh. Tekh. Fiz.
\yr 1999
\vol 40
\issue 3
\pages 161--167
\mathnet{http://mi.mathnet.ru/pmtf3090}
\transl
\jour J. Appl. Mech. Tech. Phys.
\yr 1999
\vol 40
\issue 3
\pages 501--506
\crossref{https://doi.org/10.1007/BF02468407}
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https://www.mathnet.ru/eng/pmtf3090
https://www.mathnet.ru/eng/pmtf/v40/i3/p161
This publication is cited in the following 5 articles:
D. N. Sadovnichii, Yu. M. Miloekhin, Yu. G. Kalinin, E. D. Kazakov, G. S. Lavrov, K. Yu. Sheremet'ev, “Impact of a relativistic electron beam on aluminized cast energetic condensed systems”, Combustion, Explosion and Shock Waves, 58:2 (2022), 206–216
David B. Bober, Eric B. Herbold, Yoshi Toyoda, Brian Maddox, Mukul Kumar, “A description of structured waves in shock compressed particulate composites”, Journal of Applied Physics, 127:23 (2020)
A N Zubareva, V P Efremov, V M Mochalova, A V Utkin, “Experimental study of dynamic properties of porous materials under shock-wave loading”, J. Phys.: Conf. Ser., 774 (2016), 012055
D. N. Sadovnichii, Yu. M. Miloekhin, S. A. Lopatkin, V. F. Vazhov, S. A. Gusev, E. A. Butenko, “Pulsed electrical breakdown of energetic composite condensed systems”, Combustion, Explosion and Shock Waves, 46:4 (2010), 464–471
N. N. Pilyugin, “Determining the strength of filled epoxy from ballistic experiments”, Combustion, Explosion and Shock Waves, 44:5 (2008), 607–613
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