Study of Surface integrity Characteristics on Al and Die Steel Components using Copper tool in Sink EDM Process. International Journal of Current Engineering and Technology, [S. l.], v. 1, n. 2.Special Issue, p. 236–241, 2014. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/3643. Acesso em: 27 jul. 2026.