| 2004 №03 (02) | 2004 №03 (04) |
The Paton Welding Journal, 2004, #3, 15-20 pages
Features of argon-arc treatment with insipient melting of welded joint on quenching steel
V.M. Kulik, M.M. Savitsky, D.P. Novikova, V.A. Krasnoshchekova
E.O. Paton Electric Welding Institute of the NASU 11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine.Abstract
It is shown that treatment of welded joints on 30KhGSA steel improves weld metal formation, refines its structure, produces higher impact toughness of the HAZ metal of welded joint. It is established that in argon-arc treatment of a welded joint on medium-carbon alloyed steel MAC-phase precipitates can form in the HAZ overheated region.
Keywords: argon-arc treatment, high-strength steel, welded joint, heating, insipient melting, cooling, quenching, structure, impact toughness
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