Characterisation of carbon fibres recycled from carbon fibre/epoxy resin composites using supercritical n-propanol |
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| Authors: | G. Jiang S.J. Pickering E.H. Lester T.A. Turner K.H. Wong N.A. Warrior |
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| Affiliation: | 1. School of Mechanical, Materials and Manufacturing Engineering, University of Nottingham, Nottingham NG7 2RD, UK;2. School of Chemical and Environmental Engineering, University of Nottingham, Nottingham NG7 2RD, UK |
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| Abstract: | Three different PAN based carbon fibres (Toray T600S, T700S and Tenax STS5631) were recycled from epoxy resin/carbon fibre composites using supercritical n-propanol. The recycled carbon fibres were characterised using single fibre tensile tests, SEM, XPS and micro-droplet test. The tensile strength and modulus of the recycled carbon fibre was very similar to the corresponding as-received carbon fibres. However, the surface oxygen concentration decreased significantly, which caused a reduction of the interfacial shear strength with epoxy resin. |
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| Keywords: | A. Carbon fibres A. Recycling A. Supercritical n-propanol |
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