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Wave formation during explosive welding: the relaxation of a nonequilibrium structure

Authors
  • Greenberg, B. A.1
  • Ivanov, M. A.2
  • Kuz’min, S. V.3
  • Lysak, V. I.3
  • Pushkin, M. S.1
  • Inozemtsev, A. V.1
  • Patselov, A. M.1
  • Pasheev, A. V.1
  • 1 Russian Academy of Sciences, Mikheev Institute of Metal Physics, Ural Branch, ul. S. Kovalevskoi 18, Ekaterinburg, 620990, Russia , Ekaterinburg (Russia)
  • 2 National Academy of Sciences of Ukraine, Kurdyumov Institute of Metal Physics, Vernadskogo blvd. 36, Kiev, 03680, Ukraine , Kiev (Ukraine)
  • 3 Volgograd State Technical University, pr. Lenina 28, Volgograd, 400005, Russia , Volgograd (Russia)
Type
Published Article
Journal
The Physics of Metals and Metallography
Publisher
Pleiades Publishing
Publication Date
Dec 15, 2016
Volume
117
Issue
12
Pages
1219–1225
Identifiers
DOI: 10.1134/S0031918X16120073
Source
Springer Nature
Keywords
License
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Abstract

The sequence of the transition states of the interface in the process of explosion welding has been studied. The self-organization of splash-shaped cusps first into a quasi-wave surface and, then into a perfect wavy surface has been revealed. A similarity between a quasi-wave surface and the periodic surface relief, which has been observed in the well-known experiments of G. R. Abrahamson, of a steel bullet after collision with a target has been found. Simulation tests have been performed in order to find possible methods of the relaxation of a nonequilibrium structure that possess excess area.

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