Analysis of Tool Wear Mechanisms and Surface Roughness in High Speed Hard Turning of AISI 4340 Steel Using PVD Coated Carbide Inserts. Mehran Univ. res. j. eng. technol. [Internet]. 2026 Apr. 1 [cited 2026 Oct. 13];45(2):183-9. Available from: https://murjet.muet.edu.pk/index.php/home/article/view/663