Engineering, Energy, Transport AIC

Mykola STADNIK – Doctor of Technical Sciences, Full Professor of the Department of Electric Power, Electrical Engineering and Electromechanics of Vinnytsia National Agrarian University (3, Sonyachna St., Vinnytsia, 21008, Ukraine. e-mail: stadnik_mykola@vsau.vin.ua, https://orcid.org/0000-0003-2109-6219).

Ludmila SHVETS – Candidate of technical Sciences, Associate Professor departments agricultural engineering and technical service Vinnytsia national agricultural University (3, Sonyachna St., Vinnytsia, Ukraine, 21008, e-mail: shlv0505@i.ua, https://orcid.org/0000-0002-4364-0126).

Svetlana KRAVETS – Assistant, Department of Engineering Mechanics and Technological Processes in Agriculture, Faculty of Engineering and Technology, Vinnytsia National Agrarian University (3, Sonyachna St., Vinnytsia, 21008, Ukraine, e - mail: swkravec 2017@gmail.com, https://orcid.org/0000-0001-8296-1929).

The article investigates the influence of particle velocity and temperature on the characteristics of coatings obtained by gas-dynamic spraying. This method there are one with the most promising technologies formation protective and functional coatings thanks to opportunities causing material without significant heating substrates that minimizes risk its thermal damage .
Considered main parameters process, in particular speed and temperature particles that determine kinetic energy, level adhesions, density and structure coverage. Carried out analysis interactions particles from surface linings by different modes spraying, which allows to determine optimal technological parameters for achievement the best operational characteristics coatings.
Separately attention given materials that are used for gas-thermal spraying, in particular metals, ceramics, composites and special materials, such as carbide tungsten and carbide chromium. The features of their behavior during the spraying process, the formation of the microstructure of the coatings, and their resistance to wear and corrosion were investigated.
The article also discusses the practical application of gas-dynamic spraying in the aviation, automotive, energy and other industries. In particular, the results of an experimental study of the influence of spraying modes on the utilization rate of aluminum powder, the adhesion strength of the coating to the substrate and its porosity are presented.
The results of the work can be used to optimize gas-dynamic spraying processes, increase the efficiency and durability of coatings, which opens up new prospects for the application of this technology in high-tech industries.

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