Empirical Model for Surface Roughness in Hard Milling of AISI H13 Steel Under Nanofluid-MQL Condition Based on Analysis of Cutting Parameters. Int. J. Mech. Eng. Res. Tech. 2022;14(1):1-6. Accessed October 13, 2026. https://ijmert.com/index.php/ijmert/article/view/87