Automatic Welding, 2025, №02

2025 №02 (01)

DOI of Article 10.37434/as2025.02.02

2025 №02 (03)

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"Avtomatychne Zvaryuvannya" (Automatic Welding), #2, 2025, pp. 12-22

Application of microplasma deposition for 3D printing of aerospace engine parts

V.Yu. Khaskin¹, О.V. Ovchynnykov², К.М. Sukhyi², О.V. Zaichuk²

¹E.O. Paton Electric Welding Institute of the NAS of Ukraine 11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine. E-mail: khaskin1969@gmail.com
²Ukrainian State University of Science and Technologies. 2 Lazaryan Str., 49010, Dnipro, Ukraine

The work is devoted to establishing the basic technological regularities and features of the formation of characteristic structures of metal layers during additive microplasma deposition with powders of corrosion- and heat-resistant alloys and determining the prospects of this process for 3D printing of aircraft parts. It was established in the work that selection of additive microplasma deposition mode is mainly determined by the size of the filler powder fraction. The linear energy and thermal power of the compressed arc for growing metal products with a wall thickness of up to 3 mm using powders based on Fe and Ni with a fraction of 40…100 μm were determined. The main features of structure formation of the metal of samples produced by microplasma deposition, and their mechanical characteristics were determined, and the tendency to burnout of alloying elements of the deposited alloy was assessed. It is shown that despite the need for finishing machining of critical functional surfaces, the use of microplasma deposition can be considered a fairly promising direction for 3D printing of metal parts of aircraft equipment. 16 Ref., 5 Tabl., 11 Ref.
Keywords: 3D printing, nickel alloy, microplasma deposition, metal powders, technological modes, dendritic structure, heat dissipation. mechanical properties.


Received: 05.03.2025
Received in revised form: 24.03.2025
Accepted: 11.04.2025

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