| 2001 №03 (02) | 2001 №03 (04) |
The Paton Welding Journal, 2001, #3, 13-17 pages
Softening of high-strength aluminium alloys in different fusion welding processes
A.V. Lozovskaya, A.A. Chajka, A.A. Bondarev, A.G. Poklyatsky, Andr.A. Bondarev
E.O. Paton Electric Welding Institute of the NASU 11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine.Abstract
Base metal softening in the HAZ in EBW and argon-arc welding (AAW) of work- and heat-hardened aluminium alloys (AMg6, 1420, 1201, 1460) was studied. It is found that in EBW the extent of the softening zone is 4-5 times smaller than in AAW. After artificial ageing the greatest hardness of the HAZ metal is observed in alloy 1420 and the lowest- in alloy 1201
Keywords: aluminium alloys, heat hardening, electron beam welding, argon-arc welding, heat-affected zone, hardness, microstructure
References
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