Investigation of novel multiscale textures for the enhancement of the cutting performance of Al2O3/TiC ceramic cutting tools |
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| Affiliation: | 1. School of Mechanical and Electronic Engineering, Shandong Jianzhu University, Jinan, 250101, China;2. College of Mechanical and Electronic Engineering, Shandong University of Science and Technology, Qingdao, 266590, China;3. School of Mechanical Engineering, Southeast University, Nanjing, 211189, China |
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| Abstract: | Currently, the high temperature and severe friction conditions at the tool-chip interface are the main reasons for ceramic tool wear failures. Surface texturing as a geometric extension for cutting tools is a promising way to extend their service life. In this study, a novel type of multiscale texture was developed, and its effect on the cutting performance of an Al2O3/TiC ceramic cutting tool while machining AISI H13 steel was explored in a conventional cooling environment. The cutting force, cutting temperature, and tool wear morphology were investigated at cutting velocities ranging from 80 to 249 m/min. Microgroove textured Al2O3/TiC ceramic tools were prepared for comparison. The results show that the structure of the multiscale textures maintained good integrity over the range of cutting velocities. Thus, the synergistic effect of the microscale and nanoscale textures promoted the introduction and permeation of the cutting fluid. Therefore, the multiscale textures effectively enhanced the cutting performance of the Al2O3/TiC ceramic tools. |
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| Keywords: | Multiscale textures Ceramic cutting tool Machining Cutting performance |
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