FIRMANSYAH, M. H.; ISWANTO. Rotational Speed Variation Governs Impact Strength in HDPE Friction Stir Welding: Variasai Kecepatan Rotasi Mempengaruhi Kekuatan Dampak pada Pengelasan Gesekan Putar HDPE. Indonesian Journal of Innovation Studies, [S. l.], v. 27, n. 2, p. 10.21070/ijins.v27i2.2044, 2026. DOI: 10.21070/ijins.v27i2.2044. Disponível em: https://ijins.umsida.ac.id/index.php/ijins/article/view/2044. Acesso em: 2 mar. 2026.