Laser welding of light metal alloys: aluminium and titanium ...
Aluminium alloy welds can suffer from different types of defects, provoking an important decline in the quality of the welds Duley, 1999, Paleocrassas, 2005, Matsunawa et al., 1998, Seto et al., 2000 , such as lack of penetration due to their poor absorption ability , weld oxidation due to poor gas protection , porosities due to gas entrapment during weld solidifi ion , cracks due to ...