Some features of the kinetics of high-speed penetration in brittle media
A. S. VlasovA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. PetersburgY. EmelyanovA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg,E. L. Zil’berbrandA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg,A. A. KozhushkoA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. PetersburgA. I. KozachukA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. PetersburgG. S. PugachevA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. PetersburgA. B. SinaniA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg
ABI
Abstract
The kinetics of the high-speed penetration of deformable rods into ceramics has been investigated. It is established that penetration takes place by a two-stage process. In the first stage the penetration velocity increases with increasing damage to the ceramic. The second stage corresponds to quasisteady penetration into a medium devoid of strength. It is shown that the first stage determines the high level of resistance of ceramics to high-intensity impact loading.
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