Study of the stability of the formation of the primary layer of steel powder in the technology of Powder Bed Fusion by Tungsten Inert Gas welding

Authors

DOI:

https://doi.org/10.20535/2521-1943.2025.9.3(106).337140

Keywords:

TIG-PBF, additive manufacturing, arc welding, steel powder, Powder Bed Fusion, deposition parameters, microhardness, macrostructure, additive technologies, metal 3D printing

Abstract

A comprehensive study of the possibility of using TIG (Tungsten Inert Gas) arc welding as Powder Bed Fusion (PBF) for additive manufacturing of metal products was conducted. The method of forming the primary surfacing layer by local melting of the pre-applied layer of metal powder without adding filler material is proposed and experimentally verified. Steel powder with an average particle size of about 300 μm, applied dry on a St3 grade steel substrate, was used as the starting material. The optimal parameters of the welding process were determined: current strength 120 A, arc voltage 30.5 V and torch movement speed 455 mm/min. The stability of the arc process, the formation of a homogeneous continuous deposited layer without obvious surface defects was confirmed experimentally. The obtained results indicate the significant potential of the proposed TIG-PBF technology as an economic alternative to traditional laser and electron beam methods in additive manufacturing, which can become the basis for the development of hybrid manufacturing technologies that combine 3D printing and mechanical processing.

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Published

2025-09-29

How to Cite

[1]
A. Horbenko and C. Zvorykin, “Study of the stability of the formation of the primary layer of steel powder in the technology of Powder Bed Fusion by Tungsten Inert Gas welding”, Mech. Adv. Technol., vol. 9, no. 3(106), pp. 351–356, Sep. 2025.

Issue

Vol. 9 No. 3(106) (2025)

Section

Advanced Mechanical Engineering and Manufacturing Technologies

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Copyright (c) 2025 Андрій Горбенко, Костянтин Зворикін

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