Nanometric cutting : mechanisms, practices and future perspectives

Fang, Fengzhou and Lai, Min and Wang, Jinshi and Luo, Xichun and Yand, Jiwang and Yane, Yongda (2022) Nanometric cutting : mechanisms, practices and future perspectives. International Journal of Machine Tools and Manufacture, 178. 103905. ISSN 0890-6955 (

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Nanometric cutting removes material at nanoscale and generates high-quality surfaces with a nanometric finish. In past decades, it has thrived as a mainstream manufacturing technology to produce critical components to advance scientific discovery and promote innovation in various fields, such as astronomy, aerospace, microelectronics, optics and photonics, biology and quantum technology. Therefore, it is timely to develop a review article capturing such developments and establishing directions for future advancement. This article systematically reviews the fundamental issues such as cutting models, material deformation mechanisms and tool wear mechanisms in nanometric cutting. It also presents the working principles of innovative ion implantation-assisted, laser-assisted and ultrasonic vibration-assisted nanometric cutting methods to overcome the challenges of machining difficult-to-cut materials. Practical techniques for the generation of high-quality complex or structured surfaces are also discussed. Finally, challenges and future perspectives of nanometric cutting, as well as the evolution towards atomic and close-to-atomic scale manufacturing, are outlined.