Effect of Pin Shape and Rotational Speed on the Mechanical Behaviour and Microstructures of Friction Stir Spot Welding of Aa6061 Aluminum Alloy. Al-Nahrain Journal for Engineering Sciences, [S. l.], v. 20, n. 1, p. 129–139, 2017. Disponível em: https://nahje.com/index.php/main/article/view/79.. Acesso em: 28 apr. 2024.