Debbarma S, Sarkar A, Saha SC. A comparative study on the hardness behaviour of friction stir welding AA6063 alloy. Adv Techn Mat [Internet]. 2012 Dec. 28 [cited 2024 Sep. 19];37(2):153-60. Available from: https://atm-journal.uns.ac.rs/index.php/atm/article/view/JTP.2012.37.2.5