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Performance of recycled glass fibers from composite parts by different treatments
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0001-5550-2962
RISE Research Institutes of Sweden, Mölndal, 431 22, Sweden.
RISE Research Institutes of Sweden, Mölndal, 431 22, Sweden.
RISE Research Institutes of Sweden, Mölndal, 431 22, Sweden.
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2022 (English)In: ECCM 2022 - Proceedings of the 20th European Conference on Composite Materials: Composites Meet Sustainability / [ed] Vassilopoulos, Anastasios; Michaud, Véronique, Lausanne: EPFL Lausanne, Composite Construction Laboratory , 2022, Vol. 6, p. 77-84Conference paper, Published paper (Other academic)
Abstract [en]

In this work, glass fibers have been retrieved from decommissioned composite parts by three different methods. Namely, (i) pyrolysis, (ii) a novel solvolysis and (iii) a combination of solvolysis followed by pyrolysis. The techniques allowed successful recovering of sufficiently long fiber bundles (> 30 mm) that enabled separating single fibers for manual handling and testing. Single fiber tensile tests were performed to evaluate the efficiency of different recovery methods to preserve properties in comparison to the virgin fibers. The mechanical test results revealed that the stiffness of the recovered fibers has not been affected by the treatments. On the other hand, around 45% of the fiber’s strength was retained after the solvolysis process which is a comparable value to that found in literature. 

Place, publisher, year, edition, pages
Lausanne: EPFL Lausanne, Composite Construction Laboratory , 2022. Vol. 6, p. 77-84
Keywords [en]
Glass fiber, recovery, solvolysis, pyrolysis, mechanical properties
National Category
Composite Science and Engineering
Research subject
Polymeric Composite Materials
Identifiers
URN: urn:nbn:se:ltu:diva-96167DOI: 10.5075/epfl-298799_978-2-9701614-0-0Scopus ID: 2-s2.0-85149360317ISBN: 978-2-9701614-0-0 (print)OAI: oai:DiVA.org:ltu-96167DiVA, id: diva2:1743717
Conference
20th European Conference on Composite Materials (ECCM20), Lausanne, Switzerland, June 26-30, 2022
Funder
Vinnova, 2018-04132Available from: 2023-03-16 Created: 2023-03-16 Last updated: 2023-05-15Bibliographically approved

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Al-Maqdasi, ZainabJoffe, Roberts

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