Influence of shape of impactormade from high-strength steel on its fracture at high deformation rates
The fracture of high-strength impactor in interaction with a steel barrier is investigated. Three typesof head parts of the impactor are considered: flat, hemispherical and ogival. Normal and oblique interactions with velocities of 700 and 1000 m/s are investigated. Modeling is carried out by the finite element method in a three-dimensional formulation using the author's software EFES 2.0.The limit value of intensity of plastic deformations is used as a fracture criterion. The influence of the striker head part shape, interaction velocity, interaction angle on the fracture of the impactor and the barrier has been investigated. Conditions under which the striker ricochets were defined.
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Keywords
impactor, barrier, fracture, model, deformation, shock wave, ricochetAuthors
| Name | Organization | |
| Radchenko P.A. | Institute of Strength Physics and Materials Science of SB RAS | pavel@ispms.tsc.ru |
| Batuev S.P. | Institute of Strength Physics and Materials Science of SB RAS | batuev@ispms.tsc.ru |
| Radchenko A.V. | Institute of Strength Physics and Materials Science of SB RAS | andrey@ispms.tsc.ru |
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