Abstract
The anti-penetration performance of two-layer explosively welded steel/aluminum plates 5 mm thick impacted by a spherical steel projectile 6 mm in diameter with a velocity of 260–900 m/s is studied in this paper. The effects of the thickness distribution and the incident angle on the anti-penetration performance and damage mechanism are analyzed. At incidence angles of 0–60°, the minimum projectile velocity is needed for penetration at the steel/aluminum thickness ratio equal to 2/3. The good coherence of numerical and experimental results indicates that the finite-element method coupled with the smoothed particle hydrodynamics method can predict the anti-penetration performance of two-layer explosively welded plates well.
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Original Russian Text © Nan Zhou, Jin-Xiang Wang, Rui Yang.
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Translated from Fizika Goreniya i Vzryva, Vol. 49, No. 3, pp. 130–138, May–June, 2013.
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Zhou, N., Wang, JX. & Yang, R. Study on the anti-penetration performance of two-layer explosively welded plates impacted by a spherical projectile. Combust Explos Shock Waves 49, 374–381 (2013). https://doi.org/10.1134/S0010508213030155
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DOI: https://doi.org/10.1134/S0010508213030155