Automatic Welding, 2018, №08



2018 №08 (03)

DOI of Article 10.15407/as2018.08.04

2018 №08 (05)

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Avtomaticheskaya Svarka (Automatic Welding), #8, 2018, pp. 25-31
 

Technology for ebw of aircraft structures of titanium alloys

V.M. Nesterenkov, Yu.V. Orsa, K.S. Khripko, O.V. Makhnenko

E.O. Paton Electric Welding Institute of the NAS of Ukraine, 11 Kazimir Malevich Str., 03150, Kyiv, Ukraine. E-mail: office@paton.kiev.ua
Abstract
Presented are the results of the development of efficient technological processes of electron beam welding of beam structures of titanium VT-6 alloy with high resistance of welded joints to the formation of fatigue cracks, the diffuser of gas turbine engine of OT-4 alloy using slot welds, the chamber of medium pressure gas-turbine engine of VT5L alloy, providing a high accuracy of geometric dimensions. 5 Ref., 16 Fig.
Keywords: electron beam welding, aircraft structures, titanium alloys, variable cross-section parts, slot welds, residual stresses, fatigue resistance
 
References
1. Paton, B.E., Nazarenko, O.K., Nesterenkov, V.M. et al. (2004) Computer control of electron beam welding with multi-coordinate displacements of the gun and workpiece. The Paton Welding J., 5, 2–5.
2. Zamkov, V.N., Prilutsky, V.P., Petrichenko, I.K. et al. (2001) Effect of the method of fusion welding on properties of welded joints in alloy Ti–6Al–4V. Ibid., 4, 2–6.
3. (1977) Titanium alloys in machine building. Ed. by G.I. Kapyrin. Leningrad, Mashinostroenie [in Russian].
4. Makhnenko, V.I. (2006) Resource of safe service of welded joints and assemblies of modern structures. Kyiv, Naukova Dumka [in Russian].
5. Nesterenkov, V.M., Kravchuk, L.A., Arkhangelsky, Yu.A. et al. (2015) Electron beam welding of medium-pressure chamber of gas turbine engine. The Paton Welding J., 12, 29–33. https://doi.org/10.15407/tpwj2015.12.06

Received: 25.06.2018
Published: 19.07.2018.