The welded joints of VT20 and OT4-1 titanium alloys formed by an innovative method (alternate-pulsed supply of argon and helium) are shown to have smaller grains and a wider melting zone in comparison with traditional argon-arc welding due to a more effective mechanical and thermal action of an arc in the weldpool. In addition, the innovative joints have a higher plasticity, a smaller scatter of the hardnesses over the cross section, and a higher welding speed.
This is a preview of subscription content, log in to check access.
Buy single article
Instant unlimited access to the full article PDF.
Price includes VAT for USA
O. M. Novikov, A. S. Persidskii, E. P. Rad’ko, R. G. Tazetdinov, and D. Yu. Kvon, “Creation of defectless welding processes by improving welding technology,” Svarshch.-Profess., No. 1, 11–13, 30 (2006).
R. G. Tazetdinov, V. G. Kazakov, O. M. Novikov, A. S. Persidskii, A. V. Baranovskii, and B. A. Khasyanov, “Innovative technologies of diagnostics of the quality of the welded joints of large structures,” Svar. Proizvod., No. 5, 29–33 (2009).
R. G. Tazetdinov, O. M. Novikov, A. S. Persidskii, B. A. Khasyanov, E. N. Ivanov, and L. T. Plaksina, “Arc welding in protective gases with alternate-pulsed supply of different gases,” Svar. Proizvod., No. 1, 38–42 (2012).
O. M. Novikov, A. S. Persidskii, , E. P. Rad’ko, B. A. Khasyanov, I. A. Samokhin, R. G. Tazetdinov, and V. M. Zabolotnov, “Precision arc welding of high-pressure vessels with alternate-pulsed supply of different protective gases,” Tekhnol. Metallov, No. 12, 29–32 (2012).
R. G. Tazetdinov, G. P. Fetisov, O. M. Novikov, A. S. Persidskii, and B. A. Khasyanov, “Mechanical and thermal action of an arc on the weldpool during arc welding with alternate-pulsed supply of different protective gases,” Tekhnol. Metallov, No. 7, 16–23 (2015).
Translated by K. Shakhlevich
About this article
Cite this article
Fetisov, G.P., Tazetdinov, R.G., Persidskii, A.S. et al. Comparative Estimation of the Qualities of the Titanium Alloy Joints Made by Traditional Argon-Arc Welding and Innovative Arc Welding with Alternate-Pulsed Supply of Different Protective Gases. Russ. Metall. 2019, 1479–1482 (2019). https://doi.org/10.1134/S0036029519130093
- arc welding
- protective gas
- alternate-pulsed supply of different gases
- titanium alloys
- gas distributor
- arc pressure