Vibrations in engineering and technology

Savchenko Iurii Vladimirovich – Doctor of Philosophy in Materials Science, Associate Professor, Associate Professor of the Department of "Cybersecurity and Information Technologies" of the University of Customs and Finance (Volodymyr Vernadskyi St. 2/4, Dnipro, 49000, Ukraine), email: savchennew@gmail.com). 

This work investigates the process of explosion welding, using the energy of explosives to combine metals, which allows for the production of bimetallic conductive buses in a less energy-intensive way. Experimentally manufactured flat conductive aluminum buses clad on one and both sides with copper on the finished size by explosive energy.

The use of bimetallic materials makes it possible to save scarce and expensive metals, increases the reliability and durability of structures and devices, in particular in the electrical appliance industry. Special attention is paid to the analysis of the stress-strain state of the metal, the determination of the optimal parameters of the explosive under various loading conditions in order to improve the technological processes of pressure treatment.

This method is used in modern production. For special purposes, it is necessary to have a strong, vacuum-tight connection of metal pipes, sheets and other geometric shapes of various metals that are not welded or are difficult to weld by thermal welding methods. Explosion welding is one of the technological processes for joining new materials. As a result of the conducted marketing research, the need of Ukrainian enterprises for products made of such non-ferrous metals as copper, aluminum, titanium, stainless steel, bronze, brass, aluminum and brass sheet was established.

The paper describes in detail the method of calculating the main optimal parameters and flat conductive tires made of aluminum AD1, clad over the entire surface or partially on one and both sides with copper M1 on the finished size, obtained by explosion welding. The use of explosion energy makes it possible to obtain multilayer large-sized flat and complex-profile products that cannot be obtained by classical methods due to differences in the physical and mechanical properties of metals.

The results provide a deeper understanding of the physical and mechanical mechanisms of plastic deformation under explosion welding conditions. Flat conductive busbars made of AD1 aluminum, clad on one and both sides with M1 copper, in finished size, obtained by explosion welding.

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