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2. Investigation of Elastoplastic Properties of Tungsten Carbide-Based Alloy Strikers in Interaction with a Steel Target by the Computational-Experimental Method.

Author

Afanas'eva, S. A., Belov, N. N., Burkin, V. V., Diachkovskii, A. S., Ishchenko, A. N., Lipatnikova, Ya. D., Rogaev, K. S., Sammel', A. Yu., Skosyrskii, A. B., Solov'eva, Yu. V., Starenchenko, V. A., Stepanov, E. Yu., Chupashev, A. V., Yugov, A. A., and Yugov, N. T.

Subjects
TUNGSTEN carbide, IRON, STEEL, MATERIAL plasticity, YIELD stress, TUNGSTEN, TUNGSTEN alloys
Abstract

A mathematical model has been constructed for the behavior of a tungsten carbide alloy on the basis of TC8 (tungsten carbide, 92%; cobalt, 8%) and WNFC (W–Ni–Fe–Co), or TNIC (tungsten, nickel, iron, and cobalt), in conditions of shock-wave loading. A scheme has been suggested for the process of mass loss and self-sharpening of the striker in dynamic interaction with the target. The computational-experimental method has been used to investigate the capacity of cylindrical strikers made of this composite to penetrate into a steel target at an impact velocity of 1260 m/s with account for the dependence of yield stress on the intensity of plastic deformation considering both the stage of strengthening and the stage of its structural softening in the process of deformation. [ABSTRACT FROM AUTHOR]

Published
2022
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