High voltage fragmentation and mechanical recycling of glass fibre thermoset composite

Global increase of composite waste urgently requires innovative recycling technology. The three dimensional cross-linked structure makes melting and remoulding of thermoset composite impossible. In this study, high voltage fragmentation, originally conceived for fracturing rocks was investigated as...

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Bibliographic Details
Published in:CIRP annals 2016, Vol.65 (1), p.45-48
Main Authors: Mativenga, Paul T., Shuaib, Norshah A., Howarth, Jack, Pestalozzi, Fadri, Woidasky, Jörg
Format: Article
Language:English
Subjects:
Composite
Fracturing
Fragmentation
Glass fiber reinforced plastics
High voltage fragmentation
High voltages
Polymer matrix composites
Recycling
Thermosetting resins
Wastes
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Summary:Global increase of composite waste urgently requires innovative recycling technology. The three dimensional cross-linked structure makes melting and remoulding of thermoset composite impossible. In this study, high voltage fragmentation, originally conceived for fracturing rocks was investigated as a potential process for composite recycling. It was then benchmarked against its competitor, mechanical recycling. The investigation covered effectiveness in separating composite phases, energy demand and recyclate quality. The work is a new contribution to the performance evaluation of key technologies for rapid recycling glass fibre thermoset composites, a major challenge for manufacturing and end-of-life product waste.
ISSN:0007-8506
DOI:10.1016/j.cirp.2016.04.107