The Paton Welding Journal, 2002, №01

2002 №01 (01)

2002 №01 (03)

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The Paton Welding Journal, 2002, #1, 10-14 pages

Increase in strength of welds in arc welding of alloy 1420 using the Sc-containing fillers

A.Ya. Ishchenko, A.V. Lozovskaya, A.G. Poklyatsky, I.E. Sklabinskaya, V.S. Mashin, M.R. Yavorskaya

E.O. Paton Electric Welding Institute of the NASU 11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine.

Abstract
Comparative analysis of the properties of sheet welded joints of alloy 1420, produced by fusion welding with application of serial and experimental filler wires, containing scandium, is performed. It is shown that scandium addition to welding wires creates prerequisites for further strengthening of the weld metal. A heat treatment mode is suggested allowing the production of equivalent joints with an improved system of physico-mechanical properties.
Keywords: welded joints, strength, hardness, filler wire, scandium, artificial ageing, weld, heat-affected zone, heat treatment, hardening, phases

References

1. Chayun, A.G., Yavorskaya, M.R., Labur, T.M. et al. (1985) Selection of filler wire for welding high-strength aluminium alloy 1420. In: Proc, of II All-Union Conf, on Actual Problems of Welding Non-ferrous Metals, Kyiv: Naukova Dumka.
2. Elagin, V.I., Zakharov, V.V., Rostova, T.D. (1992) Scandium-alloyed aluminium alloys. Metalloved, i Term. Obrab. Metallov, 1, 24-28.
3. Drits, M.E., Toporova, L.S., Bykov, Yu.G. et al. (1982) Recrystallization of Al-Sc alloys. Izv. AN SSSR, Ser. Metally, 1, 173-178.
4. Davydov, V.G., Elagin, V.I., Zakharov, V.V. et al.(1996) About alloying of aluminium alloys with scandium and zirconium additions. Metalloved, i Term Obrab. Metallov, 8, 25-30.

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Suggested Citation

A.Ya. Ishchenko, A.V. Lozovskaya, A.G. Poklyatsky, I.E. Sklabinskaya, V.S. Mashin, M.R. Yavorskaya (2002) Increase in strength of welds in arc welding of alloy 1420 using the Sc-containing fillers. The Paton Welding J., 01, 10-14.

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