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Fizika Goreniya i Vzryva, 2022, Volume 58, Issue 1, Pages 134–140
DOI: https://doi.org/10.15372/FGV20220113 (Mi fgv823) 		 
Unstable waves formed by explosive welding

B. S. Zlobina, V. V. Kiseleva, A. A. Shtertserb

a Lavrentyev Institute of Hydrodynamics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Novosibirsk, Russia
b Lavrentyev Institute of Hydrodynamics of Siberian Branch of the Russian Academy of Sciences, Novosibirsk
DOI: https://doi.org/10.15372/FGV20220113
Abstract: The reasons for the appearance of unstable large and small waves in the joint zone during explosion welding are investigated. Such waves arise when there are regions on the projected plate with even a small (10–16%), but abrupt (stepwise) change in thickness in the form of grooves obtained by machining. Unstable waves in the vicinity of the steps are formed only in the case when the width of the groove is greater than the thickness of the projectile plate. If the grooves are made on a fixed plate, then unstable waves do not arise. Analysis of the experimental data shows that the size of the waves generated in the bimetal in the vicinity of the steps on the thrown plate is affected by a sharp change in the impact angle associated with the bending of the plate at the places of the steps.
Keywords: explosion welding, impact parameters, wave formation, unstable waves.
Received: 01.03.2021
Revised: 19.04.2021
Accepted: 21.04.2021
English version:
Combustion, Explosion and Shock Waves, 2022, Volume 58, Issue 1, Pages 121–126
DOI: https://doi.org/10.1134/S0010508222010130
Bibliographic databases:
Document Type: Article
UDC: 621.791.13
Language: Russian
Citation: B. S. Zlobin, V. V. Kiselev, A. A. Shtertser, “Unstable waves formed by explosive welding”, Fizika Goreniya i Vzryva, 58:1 (2022), 134–140; Combustion, Explosion and Shock Waves, 58:1 (2022), 121–126
Citation in format AMSBIB
\Bibitem{ZloKisSht22}
\by B.~S.~Zlobin, V.~V.~Kiselev, A.~A.~Shtertser
\paper Unstable waves formed by explosive welding
\jour Fizika Goreniya i Vzryva
\yr 2022
\vol 58
\issue 1
\pages 134--140
\mathnet{http://mi.mathnet.ru/fgv823}
\crossref{https://doi.org/10.15372/FGV20220113}
\elib{https://elibrary.ru/item.asp?id=47630810}
\transl
\jour Combustion, Explosion and Shock Waves
\yr 2022
\vol 58
\issue 1
\pages 121--126
\crossref{https://doi.org/10.1134/S0010508222010130}
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