Abstract
The effect of the impact velocity and shape of the head of a rigid shell of caliber 20mm on the depth of its penetration into a thick obstacle made of mild low-carbon steel for impact velocities of up to 600m/sec is studied experimentally. Experimental relations between the penetration depth and the impact velocity are obtained for shells with conical and semispherical heads. It is found that for a penetration depth equal to 1 or 2 calibers, the penetration resistance does not depend on the head shape and is characterized by an average stress equal to 2.98GPa.
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References
V. N. Aptukov, “Penetration: mechanical aspects and mathematical modeling (review),”Probl. Prochn., No. 2, 60–68 (1990).
F. F. Vitman and V. A. Stepanov, “Effect of the deformation rate on the deformation resistance of metals at impact velocities of 102–103 m/sec,” in:Strength Problems of Solids [in Russian], Moscow, (1959), pp. 205–221.
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Institute of Experimental Physics, Sarov 607190. Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, Vol. 41, No. 1, pp. 38–40, January–February, 2000.
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Golubev, V.K., Medvedkin, V.A. Penetration of a rigid shell into a steel obstacle at moderate impact velocities. J Appl Mech Tech Phys 41, 32–34 (2000). https://doi.org/10.1007/BF02465233
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DOI: https://doi.org/10.1007/BF02465233