The Effect of Keyway Geometry Ratio of Shaft Against Fatigue Failure. Machine : Jurnal Teknik Mesin, [S. l.], v. 7, n. 2, p. 8–14, 2022. DOI: 10.33019/jm.v7i2.1854. Disponível em: https://www.journal.ubb.ac.id/index.php/machine/article/view/1854. Acesso em: 10 apr. 2026.