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2019 №10 (05) DOI of Article
2019 №10 (07)

The Paton Welding Journal 2019 #10
TPWJ, 2019, #10, 41-47 pages
Journal                    The Paton Welding Journal
Publisher                 International Association «Welding»
ISSN                      0957-798X (print)
Issue                       #10, 2019 (November)
Pages                      41-47

Peculiarities of hybrid laser-arc welding of stainless steel

E. Turyk, M. Banasik, S. Stano and M. Urbanchyk
Lukasevich Research Network — Institute of Welding 16–18 Bl. Czeslava Blvd., Gliwice, 44-100, Poland

The use of hybrid laser-arc welding laser + MAG for joining elements of large structures of stainless steel is a relatively new problem. The paper discusses the issues of technology of hybrid welding of austenitic steel X2CrNi18-9 and austenitic-ferritic steel X2CrNiMoN21-5-1 using a disc laser of 12 kW capacity. The technological conditions of hybrid welding with a full penetration of butt joints of steel with a thickness of 8, 12 and 20 mm, as well as T-joints with a butt weld with a partial penetration were determined. The typical defects in welds of high-alloy stainless steels, produced by hybrid welding, were indicated. 5 Ref., 20 Figures.
Keywords: hybrid welding, laser+arc, active gas, stainless steels, arc and beam parameters, location of sources, typical welding defects

Received:                27.06.19
Published:               15.11.19


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