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The Effect of Interatomic Potentials on Nanometric Abrasive Machining

Oluwajobi, Akinjide O. and Chen, Xun (2010) The Effect of Interatomic Potentials on Nanometric Abrasive Machining. In: Proceedings of the 16th International Conference on Automation & Computing, University of Birmingham, Birmingham, UK, 11 September 2010. Chinese Automation and Computing Society in the UK, pp. 130-135. ISBN 9780955529368

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    Abstract

    One of the major tasks in a Molecular Dynamics (MD) simulation is the selection of adequate potential functions, and if the potentials don’t model the behaviour of the atoms correctly, the results produced from the simulation would be useless. Three popular potentials namely; Embedded- Atom Potential (EAM), Morse and the Lennand-Jones, were employed to model copper workpiece and diamond tool in nanometric abrasive machining. From the simulation results and further analysis, the EAM potential was found to be the most reliable because it best describes the metallic bonding of the copper atoms and it demonstrated the lowest cutting force variation. More pile of atoms is observed during the phenomenon of ploughing and the potential and total energies are more stable with the EAM.

    Item Type: Book Chapter
    Uncontrolled Keywords: Interatomic Potentials; Molecular Dynamics; Abrasive Machining
    Subjects: T Technology > TA Engineering (General). Civil engineering (General)
    T Technology > TJ Mechanical engineering and machinery
    Schools: School of Computing and Engineering
    School of Computing and Engineering > Centre for Precision Technologies
    School of Computing and Engineering > Centre for Precision Technologies > Advanced Machining Technology Group
    School of Computing and Engineering > Diagnostic Engineering Research Centre
    School of Computing and Engineering > Diagnostic Engineering Research Centre > Measurement System and Signal Processing Research Group
    School of Computing and Engineering > Informatics Research Group
    School of Computing and Engineering > Informatics Research Group > XML, Database and Information Retrieval Research Group
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    Depositing User: Graham Stone
    Date Deposited: 05 Oct 2010 16:52
    Last Modified: 29 Sep 2011 11:26
    URI: http://eprints.hud.ac.uk/id/eprint/8770

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