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      Using micro-mechanical modelling to predict short-fibre composite properties in computer-aided design of sporting equipment

      Ewart, Paul; Verbeek, Casparus Johan R.
      DOI
       10.1007/s12283-010-0057-9
      Link
       www.springerlink.com
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      Citation
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      Ewart, P. & Verbeek, C.J.R. (2010). Using micro-mechanical modelling to predict short-fibre composite properties in computer-aided design of sporting equipment. Sports Engineering, available online 30 November 2010.
      Permanent Research Commons link: https://hdl.handle.net/10289/4875
      Abstract
      Computer-aided design (CAD) of sporting equipment requires knowledge of the mechanical properties of proposed materials. The mechanical properties of composite materials are often not as simple to obtain as those of conventional materials, in which case micro-mechanical modelling could be used in conjunction with CAD software. A micro-mechanical model was used to predict the flexural modulus of composite materials, based on the assumption of partial interfacial adhesion between composite components. It was found that the partial adhesion model was both practical and consistently accurate. The partial adhesion model accounted for adhesion between components by considering an ‘effective shear value’ at the interface. The model was compared to experimental data for glass, wood and carbon-fibre reinforced polyethylene. It was shown that the adhesion coefficient ranged between 0.1 for carbon fibre, 0.5 for glass fibre and 0.8 for the wood fibre composites. It was shown that using micro-mechanical modelling to predict composite mechanical properties, as opposed to simulating the comprehensive composites structure, computer processing time and file size can be reduced with little compromise in simulation accuracy.
      Date
      2010
      Type
      Journal Article
      Publisher
      Springer
      Collections
      • Science and Engineering Papers [3124]
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