Laser Beam Welding of AA5052, AA5083, and AA6061 Aluminum Alloys

Table 2

Laser welding parameters.

Thickness (mm)	P (kW)	S (m/min)	Dd (mm)	Shielding gas/ flow rate (L/min)
2	3∼5	3∼6	−4.0∼+3.0	Argon/15∼25
3	4∼5	3∼6	−4.0∼+3.0	Argon/15∼25

P: Power, S: Speed, Dd: Defocusing distance.