2016 №09 (01) DOI of Article
2016 №09 (03)

The Paton Welding Journal 2016 #09
The Paton Welding Journal, 2016, #9, 9-13 pages

Argon arc welding of titanium VT22 alloy using filler flux-cored wire

V.P. Prilutsky, S.L. Shvab, I.K. Petrichenko, S.V. Akhonin, S.B. Rukhansky and I.A. Radkevich

E.O. Paton Electric Welding Institute, NASU 11 Kazimir Malevich Str., 03680, Kiev, Ukraine. E-mail:
At the present time the use of welded assemblies and structures of high-strength titanium alloys (σt ≥ 1100 MPa) is widened. Moreover, the strength characteristics of welded joints should be at the level of characteristics of alloys. For load-carrying elements of aircrafts of AN type, high-strength two-phase (α + β)-titanium VT22 alloy is used. The aim of the work was the investigation of the influence of reducing the degree of weld metal alloying on its strength characteristics. For this purpose a completely new filler material, namely titanium flux-cored wire, for argon arc welding of VT22 alloy was developed. Despite the decrease in the degree of alloying of weld metal, its strength reaches 1121.5 MPa after the standard heat treatment, which is higher than the level of strength of the base metal (1057.5 MPa). Moreover, the impact toughness amounts to 70–75 % of the base metal impact toughness. 15 Ref., 4 Tables, 6 Figures.
Keywords: titanium, welding, flux-cored wire, controlled magnetic field
Received:                13.04.16
Published:               09.10.16

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