BORON DIFFUSION SATURATION KINETICS OF TOOL STEEL U8. Modern Problems of Metallurgy, [S. l.], n. 29, p. 88–101, 2026. DOI: 10.34185/1991-7848.2026.01.06. Disponível em: https://journals.nmetau.edu.ua/index.php/mpm/article/view/2365.. Acesso em: 14 may. 2026.