ADRI, Junil; PARMANOAN, Durain; REFDINAL, Refdinal; JASMAN, Jasman; RAHIM, Bulkia; MARLIANNA, Meri; SERN, Lai Chee. Enhancing the hardness of low-carbon steel by pack carburizing using shellfish shell powder as a calcium carbonate activator. Teknomekanik, [S. l.], v. 9, n. 3, p. 330–347, 2026. DOI: 10.24036/teknomekanik.v9i3.56572. Disponível em: https://teknomekanik.ppj.unp.ac.id/index.php/teknomekanik/article/view/565. Acesso em: 18 oct. 2026.