Investigation of the shape transferability of nanoscale multi-tip diamond tools in the diamond turning of nanostructures
Luo, Xichun and Tong, Zhen and Liang, Yingchun (2014) Investigation of the shape transferability of nanoscale multi-tip diamond tools in the diamond turning of nanostructures. Applied Surface Science, 321. pp. 495-502. ISSN 0169-4332
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Abstract
In this article, the shape transferability of using nanoscale multi-tip diamond tools in the diamond turning for scale-up manufacturing of nanostructures has been demonstrated. Atomistic multi-tip diamond tool models were built with different tool geometries in terms of the difference in the tip cross-sectional shape, tip angle, and the feature of tool tip configuration, to determine their effect on the applied forces and the machined nano-groove geometries. The quality of machined nanostructures was characterized by the thickness of the deformed layers and the dimensional accuracy achieved. Simulation results show that diamond turning using nanoscale multi-tip tools offers tremendous shape transferability in machining nanostructures. Both periodic and non-periodic nano-grooves with different cross-sectional shapes can be successfully fabricated using the multi-tip tools. A hypothesis of minimum designed ratio of tool tip distance to tip base width (L/Wf) of the nanoscale multi-tip diamond tool for the high precision machining of nanostructures was proposed based on the analytical study of the quality of the nanostructures fabricated using different types of the multi-tip tools. Nanometric cutting trials using nanoscale multi-tip diamond tools (different in L/Wf) fabricated by focused ion beam (FIB) were then conducted to verify the hypothesis. The investigations done in this work imply the potential of using the nanoscale multi-tip diamond tool for the deterministic fabrication of period and non-periodic nanostructures, which opens up the feasibility of using the process as a versatile manufacturing technique in nanotechnology.
ORCID iDs
Luo, Xichun
Item type: Article ID code: 53782 Dates: DateEvent1 December 2014Published18 October 2014Published Online13 October 2014AcceptedKeywords: molecular dynamics, multi-tip tool, nanometric cutting, nanostructure, shape transferability, tool geometry, Engineering design, Surfaces, Coatings and Films Subjects: Technology > Engineering (General). Civil engineering (General) > Engineering design Department: University of Strathclyde > University of Strathclyde
Faculty of Engineering > Design, Manufacture and Engineering ManagementDepositing user: Pure Administrator Date deposited: 16 Jul 2015 09:13 Last modified: 20 Apr 2021 00:37 Related URLs: URI: https://strathprints.strath.ac.uk/id/eprint/53782