Cryogenic Hard Turning of Alloy Steel with Multilayer Hard Surface Coatings (TiN/TiCN/Al O /TiN) insert using RSM. 2 3. International Journal of Current Engineering and Technology, [S. l.], v. 1, n. 2.Special Issue, p. 265–271, 2014. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/3649. Acesso em: 30 apr. 2026.