X-ray Radiographic Study of Simulated Voids –like Defects in Al -Castings and Welded Joints in Steel. Al-Nahrain Journal of Science, [S. l.], v. 16, n. 2, p. 99–103, 2013. Disponível em: https://mail.anjs.edu.iq/index.php/anjs/article/view/670.. Acesso em: 25 nov. 2024.