%0 conference lecture %@ %A Mazzaferro, J.A.E., Rosendo, T.S, Mazzaferro, C.C.P., Ramos, F.D., Tier, M.A.D., Strohaecker, T.R., dos Santos, J.F. %D 2008 %J International Symposium of Friction Stir Welding %T Preliminary Investigation on the Mechanical Behaviour of Aluminium Friction Spot Welds %U %X