Abstract and keywords
Abstract (English):
The comparative investigation results of AD33 aluminum alloy welded joint quality dependence upon changes in a laser beam motion rate for conditions of hand and automatic laser welding are shown. A micro-structure of a welded joint at the hand and automatic laser welding of the AD33 alloy is investigated.

Keywords:
aluminum alloy, laser emission, welding, molten pool, engineering process, micro-structure
References

1. Metal Science of Welding of Aluminum and Its Alloys / Rabkin D.M., Lozovskaya A.V., Sklabinskaya I.E.; the executive editor: V.N. Zamkov: AS of the Ukraine, Paton Institute of Electric Welding. – Kiev: Scientific Thought, 1992. – pp. 160.

2. Reference Book on Aluminum Alloys / under the editor-ship of V.I. Yelagin. – M.: All-Union Institute of Light Allooys, 1978. – pp. 132.

3. Ignatov, A.G., Kozlov, A.V., Skripchenko, A.I. et al. Laser Technological Equipment for Material Processing. – L.: CRI RUMB. 1988, - pp. 118.

4. Veiko, V.P., Shakhno, E.A. Laser Technologies in Problems and Examples: manual. – S-Pb: University ITMO, 2014. – pp. 88.

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