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Influence of repass treatment on carbon fibre-reinforced PEEK composites manufactured using laser-assisted automatic tape placement

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dc.contributor.author Chanteli, Angeliki
dc.contributor.author Bandaru, Aswani Kumar
dc.contributor.author Peeters, Daniël
dc.contributor.author O'Higgins, Ronan M.
dc.contributor.author Weaver, Paul M.
dc.date.accessioned 2020-07-28T13:23:22Z
dc.date.issued 2020
dc.identifier.uri http://hdl.handle.net/10344/9050
dc.description peer-reviewed en_US
dc.description The full text of this article will not be available in ULIR until the embargo expires on the 30/05/2022
dc.description.abstract Laser-assisted automated tape placement (LATP) in-situ consolidation of thermoplastic composites offers an efficient solution for production of large, high performance composite structures. The present work investigates laser repass treatment as a method of enhancing surface roughness and mechanical properties of LATP processed CF/PEEK laminates. Three laminate stacking sequences were studied, viz. [0°]16, [−45°/0°/45°/90°]2s and [±45°]4s. Four repass treatments were performed, including single, double, perpendicular and tool-side repasses. The effect of these repasses on interlaminar shear strength (ILSS), open-hole compression (OHC), in-plane shear (IPS), density, fibre volume fraction, void content and surface roughness was investigated. Surface roughness tests confirmed the improvement of the surface finish due to repass treatment. However, insignificant differences in ILSS values were observed across all repass treatments, but a single laser repass did appear to improve the OHC and IPS performance. Autoclave treated samples were used as a benchmark to compare with LATP processed laminate properties. en_US
dc.language.iso eng en_US
dc.publisher Elsevier en_US
dc.relation 713654 en_US
dc.relation.ispartofseries Composite Structures;248, 112539
dc.relation.uri https://doi.org/10.1016/j.compstruct.2020.112539
dc.rights This is the author’s version of a work that was accepted for publication in Composite Structures. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Composite Structures, 2020, 248, 112539, https://doi.org/10.1016/j.compstruct.2020.112539 en_US
dc.subject carbon fibre/PEEK en_US
dc.subject mechanical properties en_US
dc.subject Automated fibre placement (AFP) en_US
dc.subject annealing en_US
dc.title Influence of repass treatment on carbon fibre-reinforced PEEK composites manufactured using laser-assisted automatic tape placement en_US
dc.type info:eu-repo/semantics/article en_US
dc.type.supercollection all_ul_research en_US
dc.type.supercollection ul_published_reviewed en_US
dc.identifier.doi 10.1016/j.compstruct.2020.112539
dc.contributor.sponsor ERC en_US
dc.contributor.sponsor SFI en_US
dc.contributor.sponsor EI en_US
dc.relation.projectid 713654 en_US
dc.relation.projectid 15/RP/2773 en_US
dc.date.embargoEndDate 2022-05-30
dc.embargo.terms 2022-05-30 en_US
dc.rights.accessrights info:eu-repo/semantics/embargoedAccess en_US


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