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    Mechanism of Force Generation in Cutting Metal Matrix Composites

    Access Status
    Fulltext not available
    Authors
    Pramanik, Alokesh
    Zhang, L.C.
    Arsecularatne, J.
    Date
    2005
    Type
    Conference Paper
    
    Metadata
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    Citation
    Pramanik, A. and Zhang, L.C. and Arsecularatne, J.A. 2005. Mechanism of Force Generation in Cutting Metal Matrix Composites, in Obikawa, T. and Sasahara, H. (ed), Proceedings of the 3rd International Conference on Leading Edge Manufacturing in 21st Century (LEM21), 19-21st October 2005, pp. 157-162. Nagoya, Japan: Japan Society of Mechanical Engineering.
    Source Title
    Proceedings of the 3rd International Conference on Leading Edge Manufacturing in 21st Century (LEM21), October 19-22, 2005, Vol. 3
    Source Conference
    Conference on Leading Edge Manufacturing in 21st Century (LEM21-2005), 19-21st October, Nagoya, Japan.
    URI
    http://hdl.handle.net/20.500.11937/5314
    Collection
    • Curtin Research Publications
    Abstract

    This paper presents a mechanics model for predicting the forces of cutting aluminum-based SiC/Al2O3 particle reinforced MMCs. The force generation mechanism was considered to be due to three factors: (a) the chip formation force, (b) the ploughing force, and (c) the particle fracture force. The chip formation force was obtained by using the Merchant’s analysis but those due to matrix ploughing deformation and particle fracture were formulated, respectively, with the aid of the slip line field theory of plasticity and the Griffith theory of fracture. A comparison of the model predictions with the experimental results published in the literature showed that the theoretical model developed has captured the major material removal/deformation mechanisms in MMCs and describes very well the experimental measurements.

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