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

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

Text (Yang-Thomason-ECCM15-The-role-of-residual-thermal stress-composite-strength-novel-single-fibre-technique Jun 2012)
Yang_Thomason_ECCM15_The_role_of_residual_thermal_stress_composite_strength_novel_single_fibre_technique_Jun_2012.pdf - Submitted Version

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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 (Speech)
ID code: 40598
Keywords: residual thermal stress, interfacial strength, polymer composites, novel single fibre 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: 30 Jul 2012 13:10
Last modified: 12 Dec 2015 12:01
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