MAHDI, L. A. Hardening (WC-Co) alloys by Nitrogen ions with different energies. Journal of Kufa-Physics, Kufa, Najaf, IRAQ, v. 8, n. 1, 2016. Disponível em: https://journal.uokufa.edu.iq/index.php/jkp/article/view/7478. Acesso em: 13 may. 2026.