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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, Mechanical Engineering, Mechanics of Materials, Ceramics and Composites, Polymers and Plastics
Subjects: Technology > Mechanical engineering and machinery
Department: Faculty of Engineering > Mechanical and Aerospace Engineering
Depositing user: Pure Administrator
Date Deposited: 13 Aug 2012 11:18
Last modified: 06 Sep 2014 19:19
URI: http://strathprints.strath.ac.uk/id/eprint/40864

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