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      Mechanical performance of Kraft fibre reinforced polypropylene composites: Influence of fibre length, fibre beating and hygrothermal ageing

      Pickering, Kim L.; Beg, Mohammad Dalour Hossen
      DOI
       10.1016/j.compositesa.2008.08.003
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      Pickering, K. L. & Beg, K.D.H. (2008). Mechanical performance of Kraft fibre reinforced polypropylene composites: Influence of fibre length, fibre beating and hygrothermal ageing. Composites Part A: Applied Science and Manufacturing, 39(11), 1748-1755.
      Permanent Research Commons link: https://hdl.handle.net/10289/3846
      Abstract
      This paper describes the influence of fibre length, fibre beating and hygrothermal ageing on tensile strength (TS), Young’s modulus (YM), failure strain (FS) and impact strength (IS) of Kraft fibre reinforced polypropylene (PP) composites. TS, YM and IS of composites were found to decrease and FS increased with decreasing fibre length. Modest levels of fibre beating increased the TS of composites, which is believed to be due to improved interfacial bonding. During hygrothermal ageing, the diffusion coefficient increased with increased ageing temperature. Composites without coupling agent showed higher water uptake and diffusion coefficient than those with coupling agent. TS and YM were found to decrease for hygrothermal ageing due to fibre damage and reduced fibre matrix interfacial bonding, whilst FS and IS were found to increase due to the plasticizing effect of water.
      Date
      2008
      Type
      Journal Article
      Publisher
      Elsevier
      Collections
      • Science and Engineering Papers [3193]
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