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Thermal reshaping as a route for reuse of end-of-life glass fibre-reinforced acrylic composites

Authors :
Winifred Obande
Danijela Stankovic
Ankur Bajpai
Machar Devine
Christian Wurzer
Anna Lykkeberg
Jennifer A. Garden
Conchúr M. Ó Brádaigh
Dipa Ray
Source :
Obande, W, Stankovic, D, Bajpai, A, Devine, M, Wurzer, C, Lykkeberg, A, Garden, J A, Ó Brádaigh, C M & Ray, D 2023, ' Thermal reshaping as a route for reuse of end-of-life glass fibre-reinforced acrylic composites ', Composites Part B: Engineering, vol. 257, 110662 . https://doi.org/10.1016/j.compositesb.2023.110662
Publication Year :
2023

Abstract

Thermal reshaping has been employed to simulate the end-of-life reuse of liquid-resin-infused thermoplastic acrylic composite laminates, and the associated effects on matrix-dominated mechanical performance and microstructure have been studied. L-shaped laminates were infused at room temperature and subjected to 1 or 4 hot-press flattening cycles (25 min at 120°C; 11 bar). Compared to the original references, up to 13% higher transverse flexural strengths were measured for the reprocessed laminates. Such a scheme may be readily implemented for high-value reuse without sacrificing fibre length scales with 10-cycle and 15-cycle mass losses of only 2% and 2.6%, respectively. This study provides important insights to foster a greater understanding of the performance limits of hot-press reprocessing to inform the practical reuse and re-application of sustainable composites in a circular economy

Details

Language :
English
Database :
OpenAIRE
Journal :
Obande, W, Stankovic, D, Bajpai, A, Devine, M, Wurzer, C, Lykkeberg, A, Garden, J A, Ó Brádaigh, C M & Ray, D 2023, ' Thermal reshaping as a route for reuse of end-of-life glass fibre-reinforced acrylic composites ', Composites Part B: Engineering, vol. 257, 110662 . https://doi.org/10.1016/j.compositesb.2023.110662
Accession number :
edsair.doi.dedup.....01be5cefedbee72f71e2641c5bfcfbf1
Full Text :
https://doi.org/10.1016/j.compositesb.2023.110662