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Chen, X and Oluwajobi, AO (2016) Characterization of Atomic Surface Roughness in Nanometric Machining Molecular Dynamics (MD) Simulations. Current Nanoscience, 12. ISSN 1573-4137
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Abstract
The concept of atomic surface roughness is very important in the assessment of high performance nano surfaces. The molecular dynamics (MD) simulations were carried out, by using a diamond tool on copper workpiece, for nanomachining. The atomic surface roughness was evaluated after multi-pass runs and these were characterized for various conditions of machined thickness and machining velocity. It was observed that there was no systematic relationship between the depth of cut and the surface roughness. On the other hand, there is an overall increase in the surface roughness, with increase in the machining velocity, but this was with some fluctuations. The frictional forces during the nanomachining are high for low depth of cut and these decrease as depth of cut increases. The characterization of roughness could provide understanding of surface based properties.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | 1007 Nanotechnology |
| Subjects: | Q Science > QA Mathematics > QA75 Electronic computers. Computer science T Technology > T Technology (General) |
| Divisions: | Engineering |
| Publisher: | Bentham Science Publishers |
| Date of acceptance: | 1 July 2016 |
| Date of first compliant Open Access: | 1 July 2017 |
| Date Deposited: | 13 Jul 2016 13:11 |
| Last Modified: | 02 Mar 2022 09:59 |
| URI: | https://ljmu-9.eprints-hosting.org/id/eprint/3887 |
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