Electrometallurgy Today, 2021, №01



2021 №01 (04)

DOI of Article 10.37434/sem2021.01.05

2021 №01 (06)

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Electrometallurgy Today (Sovremennaya Elektrometallurgiya), 2021, #1, 39-47 pages

Microstructure and mechanical properties of parts from high-strength titanium alloys produced by waam method (Review)

R.V. Selin, S.L. Shvab, M.M. Dyman

E.O. Paton Electric Welding Institute of the NAS of Ukraine. 11 Kazymyr Malevych Str., Kyiv, 03150, Ukraine. E-mail: office@paton.kiev.ua

Abstract
Additive manufacturing is making products based on step-by-step adding of material onto the base in the form of a flat platform or axial billet. Wire Arc Additive Manufacturing is a highly promising technology that allows producing large-sized complex-shaped parts from materials with a high added value. This technology is part of the processes of adaptive manufacturing, which uses metal wires as filler material, and the arc as the power source. In this review article the process of producing parts from titanium alloys by Wire Arc Additive Manufacturing method is considered. This method offers significant advantages over other additive manufacturing processes, namely high effectiveness of using the resources and efficiency, and low cost of equipment. Producing parts from high-strength titanium alloys by Wire Arc Additive Manufacturing method allows controlling the microstructure of the titanium alloys which is necessary, as high-strength titanium alloys are highly sensitive to the thermal cycle. Different methods of controlling the microstructure of parts from titanium alloys, its properties and impact on mechanical characteristics of the part are considered. Ref. 39, Tabl. 3, Fig. 9.
Keywords: additive manufacturing; WAAM; high-strength titanium alloys; microstructure; mechanical properties

Received 22.01.2021

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