Laser Welding of Austenitic Stainless Steel Thin Sheets
Journal Title: RECENT - Year 2015, Vol 16, Issue 45
Abstract
This paper presents investigations regarding the laser welding of austenitic stainless steel. Several laser welding tests were made using AISI 304 stainless steel in a butt joint configurations. An 3.3 kW Rofin laser and a Rofin welding head manipulated by an ABB six axes robot were used for the achievement of the welding tests. Different laser power, welding speed and spot diameter were used to define the influence of the process parameters to the weld bead geometry. Full penetration was obtained on all welded samples. It was determined that penetration depth is directly influenced by the laser power and the weld bead width depends mainly by the welding speed. Macro and microstructure of the welds are discussed in the article. The optimal parameters interval for welding stainless steel thin sheets was defined to be between 230 and 280 kW/cm2.
Authors and Affiliations
Elena STANCIU, Alexandru PASCU, Ionuţ ROATĂ
Keywords
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