Analysis of the Effect of Physico-Mechanical Characteristics of Cumulative Liner Material on Parameters of a High-Speed Element
- Авторы: Kolpakov V.1, Ladov S.1, Nikolskaya Y.1, Fedorov S.1
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Учреждения:
- Bauman Moscow State Technical University
- Выпуск: Том 63, № 12 (2018)
- Страницы: 1784-1791
- Раздел: Solid State
- URL: https://journals.rcsi.science/1063-7842/article/view/202452
- DOI: https://doi.org/10.1134/S1063784218120071
- ID: 202452
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Аннотация
In this paper, we present the results of numerical simulation of explosive formation of a high-speed compact element from copper, steel, and aluminum cumulative liners combining the shape of a hemispherical segment smoothly converting into a cylindrical surface (“hemisphere–cylinder” liners). The problem is solved in a two-dimensional axisymmetric setting considering the limiting parameters of the dynamic stress-strain state causing plastic flow and destruction of the cumulative liner material. The original model of the functioning of cumulative shaped charge, which determines the effect of individual elements of the cumulative liners, including the difference in numerical characteristics of their physicomechanical properties and critical destruction conditions, on the final parameters of the high-speed compact element, was used. The plastic properties of the material and the critical conditions for its destruction were found not to affect the final velocity of the formed high-speed compact element, but they affect its shape, dimensions, and mass.
Об авторах
V. Kolpakov
Bauman Moscow State Technical University
Email: nikolskayajm@yandex.ru
Россия, Moscow, 105005
S. Ladov
Bauman Moscow State Technical University
Email: nikolskayajm@yandex.ru
Россия, Moscow, 105005
Ya. Nikolskaya
Bauman Moscow State Technical University
Автор, ответственный за переписку.
Email: nikolskayajm@yandex.ru
Россия, Moscow, 105005
S. Fedorov
Bauman Moscow State Technical University
Email: nikolskayajm@yandex.ru
Россия, Moscow, 105005