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  • Design, manufacture, mechanical testing and numerical modeling of an asymmetric composite crossbow limb

    Author(s)
    Virk, AS
    Summerscales, J
    Hall, W
    Grove, SM
    Miles, ME
    Griffith University Author(s)
    Virk, Amandeep S.
    Hall, Wayne
    Year published
    2009
    Metadata
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    Abstract
    This paper considers the design, manufacture, mechanical testing and numerical analysis of a crossbow beam (limb). The limb should be lightweight and permit a high deflection of the beam's tip in order to achieve a good ballistic performance. Consequently, fibre-reinforced polymer matrix composites are suitable candidate materials. However, carbon fibres were considered too brittle for this application. Aramid fibres combine low density and high stiffness but are weak in compression. E-glass fibres are relatively flexible but are of high density. The optimised design developed here uses aramid fibres on the tension face with ...
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    This paper considers the design, manufacture, mechanical testing and numerical analysis of a crossbow beam (limb). The limb should be lightweight and permit a high deflection of the beam's tip in order to achieve a good ballistic performance. Consequently, fibre-reinforced polymer matrix composites are suitable candidate materials. However, carbon fibres were considered too brittle for this application. Aramid fibres combine low density and high stiffness but are weak in compression. E-glass fibres are relatively flexible but are of high density. The optimised design developed here uses aramid fibres on the tension face with E-glass fibres on the compression side. This component was manufactured using resin infusion, modelled using a commercial finite element code (Abaqusand the model was validated by mechanical testing. A good correlation was found between the experimentally measured deflections and the numerical results.
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    Journal Title
    Composites Part B: Engineering
    Volume
    40
    Issue
    3
    DOI
    https://doi.org/10.1016/j.compositesb.2008.10.004
    Subject
    Engineering not elsewhere classified
    Engineering
    Publication URI
    http://hdl.handle.net/10072/61451
    Collection
    • Journal articles

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