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The role of residual thermal stress in composite interfacial strength by a novel single fibre technique

Yang, Liu and Thomason, James (2012) The role of residual thermal stress in composite interfacial strength by a novel single fibre technique. In: 15th European Conference on Composite Materials, 2012-06-24 - 2012-06-28, Venice.

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    Abstract

    The temperature dependence of the interfacial properties of glass fibre reinforced polypropylene and epoxy composites was investigated using a novel microbond test in the temperature controlled environment of a thermo-mechanical analyser. Highly significant inverse dependence of IFSS on testing temperature was observed in both systems. The temperature dependence of the GF-PP IFSS was accounted for by the variation of residual radial compressive stresses at the interface with the test temperature. On the other hand, it was found that the residual thermal stress did not seem to fully account for the temperature dependence of IFSS in GF-Epoxy. Nevertheless, the results clearly showed that GF-Epoxy IFSS had a strong correlation with the modulus of the epoxy matrix.

    Item type: Conference or Workshop Item (Paper)
    ID code: 40864
    Keywords: interfacial strength , residual thermal stress, microbond technique , Mechanical engineering and machinery
    Subjects: Technology > Mechanical engineering and machinery
    Department: Faculty of Engineering > Mechanical and Aerospace Engineering
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    Depositing user: Pure Administrator
    Date Deposited: 13 Aug 2012 12:18
    Last modified: 04 Oct 2012 17:58
    URI: http://strathprints.strath.ac.uk/id/eprint/40864

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