An experimental investigation on machinability factors of EN alloy steels – A comparative study. (2021)

• Record Type: Journal Article
• Authors: Rajeshshyam, R.; Krishnaraj, V.; Thillairajan, K.
• Is Part Of: Materials today. Volume 39:Part 4(2021)
• Page Start: 1767
• Page End: 1774
• Publication Date: 2021
• Subjects: Machining -- Non-metallic inclusions -- Cutting force -- Chip morphology -- Optimization; Materials science -- Congresses -- Periodicals; 620.1
• DOI: 10.1016/j.matpr.2020.06.519
• Languages: English
• ISSNs: 2214-7853

Abstract

Abstract: In current years, enormous researches have accomplished about an effect of Non-metallic inclusions, in the direction of maximizing productivity and to reduce the effect at the environment. Nowadays many steel manufacturers, not able to produce completely pure steel. Inclusions are compound material embedded inside the steel during the manufacturing process, which primarily affects the homogeneity of steel. A literature review was performed to obtain the effects of inclusions in alloy steels on their machinability and compares the performances of EN alloy steels for different machinability aspects through the whole of machining under the dry circumstance. Cutting speed, feed, and depth of cut were the dominant governing parameters. The present works compares the machining of three different alloy steels and the behavior of numerous non-metallic inclusions in them. The effects of chemical composition and inclusions on machinability factors including resultant cutting force, chip morphology, and its microstructures are discussed. EN 1A Pb&Te alloy steel experiences the lower cutting force thus provides better machinability.