Sönmez F.2024-07-222024-07-22202300255300http://akademikarsiv.cbu.edu.tr:4000/handle/123456789/11795Machining is one of the most precise manufacturing methods used in the manufacturing of machine parts. In machining, significant tool wear is observed due to cutting tool-to-workpiece contact. Controlling tool wear and minimizing the effect of tool wear in this method is an important research topic. In this study, machinability tests were carried out on AISI 4462 duplex stainless steel materials, which are in the hard-to-cut material class. In the experiments, the changes in tool life and surface roughness were analyzed by using 150, 180, and 210m/min cutting speeds; 0.1mm feed; and 0.8mm depth of cut. Increasing cutting speed significantly increased wear and reduced tool life. However, experiments with cutting speeds of 180m/min and 210m/min had the same tool life values. In addition, significant notch wear and BUE formation were observed on the tool surface. Besides, it was determined that the surface roughness deteriorated due to tool wear. In addition, surface deterioration due to chip wrapping was also observed in many passes. © 2023 Walter de Gruyter GmbH, Berlin/Boston.EnglishCuttingCutting toolsDeteriorationStainless steelWear of materialsCutting speedHard-to-cut materialsMachinability testsManufacturing methodsResearch topicsSteel materialsTool lifeTool surfacesTool wearWorkpiece contactSurface roughnessArticle10.1515/mt-2023-0045