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Combustion, Explosion and Shock Waves

2025 year, number 2

Modeling of Behavior of Spherical Boron Carbide Shells under Explosive Reduction

P. V. Zabusov, G. Ya. Karpenko, M. N. Kiryukhina, V. V. Kovaldov, A. V. Nefedov, K. N. Panov, E. V. Saprykina, M. O. Shirshova
All-Russian Scientific Research Institute of Experimental Physics, Scientific Research Institute of Experimental Physics, Institute of Experimental Gas Dynamics and Explosion Physics, Sarov, Russia
Keywords: boron carbide, ceramics, explosive experiment, X-ray, strength, failure, numerical modeling, 3D modeling

Abstract

The present paper describes an X-ray experiment on explosive compression of spherical shells made of boron carbide and lead with single-point initiation of detonation on the surface of a spherical explosive layer. Experimental data are compared with numerical modeling results using the LEGAK technique. There is satisfactory agreement in the type of failure of boron carbide shells in the calculation and experiment.