Influence of gas mixtures Ar-He and Ar-He-O-2 on weldability of aluminum alloy AA5083-O using automated GMAW-P

Soldagem & Inspecao v. 19, n. 3, p. 238-246, 2014 0.111 10.1080/09507116.2015.1096514 Niebles Nunez, E. E.; Unfried-Silgado, J.; Torres Salcedo, J. E.; Londono, A. J. R. 2014