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2021 №08 (07) DOI of Article
10.37434/as2021.08.08
2021 №08 (09)

Automatic Welding 2021 #08
Avtomaticheskaya Svarka (Automatic Welding), #8, 2021, pp. 41-46

Development of the technology of manufacturing hardware clamps, using explosion welding

L.D. Dobrushin, A.G. Bryzgalin, P.S. Shlonskiy, E.D. Pekar, S.D. Ventsev
E.O. Paton Electric Welding Institute. 11 Kazymyr Malevych Str., 03150 Kyiv, Ukraine. E-mail: office@paton.kiev.ua

Joining copper and aluminium current-conducting elements is quite often applied in electrical industry. Direct contact of such elements without welding is accompanied by running of electrochemical corrosion and resultant increase of transient resistance, which rises during operation. Any kind of welding these materials leads to formation of intermetallics of AlnCu type, which can affect (or not affect) the electrical properties of the joint. Explosion welding is the most efficient method to produce copperaluminium electric conductors with higher performance. The need to manufacture bimetal copper-aluminium products of various shapes by explosion welding requires development of the respective technological processes. 4 Ref., 5 Tabl., 10 Fig.
Keywords: electric conductor, electric resistance, bimetal transition piece, composite joint, explosion welding, copper-aluminium transition piece


Received: 03.07.2021

References

1. Ryzhov, S.B., Zubchenko, A.S., Kashirsky, Yu.V., Banyuk, G.F. (2004) Steels and alloys of power engineering equipment. Moscow, Mashinostroenie [in Russian].
2. Lysak, V.I., Kuzmin, S.V. (2005) Explosion welding. Moscow, Mashinostroenie [in Russian].
3. (2008) Non-ferrous metals and alloys: Refer. book. Moscow, Mashinostroenie [in Russian].
4. Konovalov, D.A., Veretennikova, I.A. (2028) Study of mechanical properties of bimetal produced by explosion welding at step-by-step plastic deformation. Pisma o Materialakh, 8(2), 215-219 [in Russian]. https://doi.org/10.22226/2410-3535-2018-2-215-219

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