A. M. Drits, direktor po tekhnologii, OOO «Alkoa Rossiya»; V. V. Ovchinnikov, nachal'nik laboratorii, e-mail: vikov1956@mail.ru, OAO «Rossiyskaya samoletostroitel'naya korporatsiya «MiG».

Optimal conditions of laser welding providing qualitative welded joints are established. It was revealed that mechanical properties of aluminium alloys are influenced favourably by specific macro-heterogeneity of the structure of welded joint. Based on the investigations for 1460 alloy, filler wire can be recommended.

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