%0 Journal Article %T Microstructure, mechanical properties and failure behaviour of protrusion friction stir spot welded 2024 aluminium alloy sheets %A S Dourandish %A S. M. Mousavizade %A H. R. Ezatpour %A Ebrahimi, GHolam Reza %J Science and Technology of Welding and Joining %@ 1362-1718 %D 2018