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A carbon bre recycling process for scrap composites based on uidised bed technology has been developed. This paper describes the recycling process and the characterisation methods used to analyse the quality of recycled bre. They include: the measurement of bre length distribution by image analysis; tensile properties by single bre testing; and the examination of surface contamination and surface chemistry of bre by SEM and XPS. Recycled bres of up to 10 mm mean length were recovered and they retained ~75% of their tensile strength, while the Young's modulus remained unchanged and the surface condition was similar to the virgin bre.

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