Abstract
Results are reported of investigations into the mechanical properties and forming behaviour of composite materials produced by the reconstruction of off-cuts from the pattern cutting of prepregs and other sources derived from apc-2 (long carbon fibre peek composite — Fiberite Europe) manufacturing processes. The approach adopted was to cut the prepreg into particles of controlled size and shape and to reconstitute them into sheets by compression moulding, with careful control of particle orientation. The tensile and flexural moduli, compressive, tensile and flexural strengths were measured and related to particle size and orientation. Properties are compared with those of apc-2 with various lay-up geometries. The forming properties of the reconstituted materials have been assessed using double curvature test mouldings. Forming properties are related to the various particle sizes employed. An economic assessment of this route to reclamation of long fibre thermoplastic composites is presented and possible applications of the material are suggested.
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