“Effect of Tool Pin Profile on Mechanical Properties of Single Pass and Double Pass Friction Stir Welded Aluminium Alloys AA6061 & AA8011”. International Journal of Current Engineering and Technology 5, no. 6 (December 31, 2015): 3780–3783. Accessed April 27, 2026. https://ijcet.evegenis.org/index.php/ijcet/article/view/3066.