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- Title
DEVELOPMENT OF LASER WELDING OF ALUMINIUM ALLOYS AT THE E.O. PATON ELECTRIC WELDING INSTITUTE (Review).
- Authors
KHASKIN, V. Yu.
- Abstract
The works, connected with the development of precision technologies of welding of aluminium alloy structures, allowing minimizing the residual welding deformations, are urgent. They, for example, include the technologies, envisaging the application of a laser welding. The aim of the present article is the review of investigations on welding aluminium and its alloys, applying a laser emission, carried out at the E.O. Paton Electric Welding Institute since the end of the 1960s until now. The stage-by-stage development of these investigations is shown depending on the progress of the laser engineering and growth of level of knowledge of researchers. Three main stages of works on laser welding are distinguished: with application of low-power pulsed lasers (from the end of the 1960s until the end of the 1970s), with application of powerful continuous-wave lasers (from the beginning of the 1980s until the beginning of the 2000s) and with application of hybrid laser-arc and laser-plasma processes (from the beginning of 2000s until now). The offered review illustrates the sufficiently high level of investigations of aluminium alloy welding by applying a laser emission, carried out by the PWI in different years. It is shown that these investigations are continued also at the present time. Their challenges are outlined, including industrial applications of the described methods of welding for manufacture of thin-walled body structures of motor cars, high-speed railway cars, different-purpose ships, aircrafts, rockets and space engineering objects.
- Subjects
ALUMINUM alloys; HYBRID electric airplanes; ELECTRODES; WELDING; DEFORMATIONS (Mechanics); MECHANICAL properties of metals
- Publication
Paton Welding Journal, 2013, Issue 5, p51
- ISSN
0957-798X
- Publication type
Article