INFLUENCE OF NITROCEMENTATION MODES ON THE CHANGE IN THE HARDNESS OF THE SURFACE LAYER OF STRUCTURAL STEELS. JournalNX - A Multidisciplinary Peer Reviewed Journal, [S. l.], v. 7, n. 11, p. 75–77, 2021. DOI: 10.17605/OSF.IO/FVQWB. Disponível em: https://repo.journalnx.com/index.php/nx/article/view/3718. Acesso em: 7 nov. 2025.