Study the Effect of Extrusion Speed and Die Angle on Relative Extrusion Pressure of Aluminum Alloy AA6061. Tikrit Journal of Engineering Sciences, [S. l.], v. 22, n. 2, 2022. DOI: 10.25130/tjes.22.2.10. Disponível em: https://tj-es.com/ojs/index.php/tjes/article/view/341.. Acesso em: 10 sep. 2026.