| 2026 №02 (01) |
DOI of Article 10.37434/as2026.02.02 |
2026 №02 (03) |
"Avtomatychne Zvaryuvannya" (Automatic Welding), #2, 2026, pp. 17-24
Influence of technological parameters of additive electron-beam process on the properties of thin-walled products made of VT6 alloy
V.A. Matviichuk
, V.M. Nesterenkov, M.O. Sysoev
E.O. Paton Electric Welding Institute of the NAS of Ukraine
11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine.
E-mail: vl.matviichuk@gmail.com
The object of the study is the process of forming the structure and mechanical properties of thin-walled products manufactured by additive electron-beam technology (EBM) from titanium alloy powder VT6 of the Ti–6Al–4V alloying system. The alloy is widely used in industry due to its high weldability, strength and fatigue resistance. As a raw material, spherical titanium alloy owder VT6 with a particle size of 40…160 μm, obtained by the method of rotary plasma praying, was used. A computer model was created in the Materialise Magics program, according to which 36 samples were printed with beam speeds in the range of 500…6000 mm/s. It was found that a beam speed of 500 mm/s in combination with an energy density of 40 J/mm³ ensures complete fusion of the powder layer, stable shaping and controlled thermal conditions. This contributes to the formation of a balanced (α+β)- microstructure with an acicular orphology of the α-phase with an α-plate thickness of 0.5…1.5 μm. The volume fraction of α-Ti is 90 ± 3%, β-Ti – 10 ± 3%. The microhardness level of the samples is HV0.1 = 3.5 ± 0.7 GPa. The obtained results demonstrate that the combination of high-quality powder material and rational printing mode provides high process reproducibility, structural stability and suitability of the technology for the manufacture of thin-walled products. 15 Ref., 4 Tabl., 6 Fig.
Keywords: additive technology, electron beam, titanium alloy VT6, Ti-6Al-4V, thin-walled products, technological parameters, microstructure, chemical composition, microhardness
Received: 23.12.2025
Received in revised form: 25.02.2026
Accepted: 10.04.2026
Posted online 11.04.2026
References
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Suggested Citation
V.A. Matviichuk, V.M. Nesterenkov, M.O. Sysoev (2026) Influence of technological parameters of additive electron-beam process on the properties of thin-walled products made of VT6 alloy. Automatic Welding, 02, 17-24. https://doi.org/10.37434/as2026.02.02Advertising in this issue:
