Thamizhmanii S, Hasan S. Machinability Characteristics of Hard SCM 440 Alloy Steel using CBN and PCBN Tools by Turning Process. Applied Science and Engineering Progress [internet]. 2013 Sep. 9 [cited 2026 Sep. 18];4(1):15-21. available from: https://ph02.tci-thaijo.org/index.php/ijast/article/view/67375