Cite as: Lemos, G.; Simoni, L.; Bergmann, L.; Souza, D.; Araujo, D.; dos Santos, J.; Strohaecker, T.; Schroeder, R.: Preliminary Surface characterization of welded joints made by Friction Stir Welding and Metal Inert Gas Welding. 41. Consolda - Congresso Nacional de Soldagem. Salvador (BR), 2015.