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

Table 1

Chemical composition and mechanical properties of the used aluminum alloys.

(a) Chemical composition (wt %).

Alloy	Si	Fe	Cu	Mn	Mg	Zn	Cr	Al
AA5052	0.09	0.19	0.08	0.07	2.55	0.01	0.19	bal.
AA5083	0.12	0.20	0.09	0.57	4.61	0.03	0.12	bal.
AA6061	0.65	0.31	0.27	0.12	1.05	0.01	0.25	bal.

(b) Mechanical properties.

Alloy	0.2% Proof stress (MPa)	Tensile strength (MPa)	Elongation (%)	Hardness (HV)
AA5052-H12	190	230	10	66
AA5083-H12	280	330	13	96
AA6061-T6	280	340	15	99