Optimisation of an in-process lineal dielectric sensor for liquid moulding of carbon fibre composites

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dc.contributor.authorMesogitis, T. S.
dc.contributor.authorMaistros, G. M.
dc.contributor.authorAsareh, M.
dc.contributor.authorLira, C.
dc.contributor.authorSkordos, Alexandros A.
dc.date.accessioned2020-11-10T10:36:51Z
dc.date.available2020-11-10T10:36:51Z
dc.date.issued2020-11-04
dc.description.abstractA dielectric sensor appropriate for process monitoring of carbon fibre composites manufacturing has been optimised and implemented in Resin Transfer Moulding (RTM). The sensor comprises a pair of twisted insulated copper wires and can be adapted to monitor both flow and cure. To simulate the dielectric response of the sensor, an electric field model was developed. The model was coupled with a multi-objective optimisation genetic algorithm to optimise the sensor design. The optimisation showed that increasing wire radius and decreasing coating thickness increases sensor sensitivity. Different sensor designs were implemented and used in a series of RTM trials to validate the technology in industrial conditions. The sensor operated successfully at pressures up to 7 bar and temperatures up to 180°C. A low diameter sensor using copper wire coated with polyimide showed the best response monitoring flow with an accuracy of 95%, whilst also following the cure and identifying vitrificationen_UK
dc.identifier.citationMesogitis T, Maistros GM, Asareh M, et al., (2021) Optimisation of an in-process lineal dielectric sensor for liquid moulding of carbon fibre composites. Composites Part A: Applied Science and Manufacturing, Volume 140, January 2021, Article number 106190en_UK
dc.identifier.issn1359-835X
dc.identifier.urihttps://doi.org/10.1016/j.compositesa.2020.106190
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/15984
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectResin transfer moulding (RTM)en_UK
dc.subjectProcess monitoringen_UK
dc.subjectComputational modellingen_UK
dc.subjectCarbon fibresen_UK
dc.titleOptimisation of an in-process lineal dielectric sensor for liquid moulding of carbon fibre compositesen_UK
dc.typeArticleen_UK
dcterms.dateAccepted2020-10-28

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