Electrical Conductivity Characterisation of Stochastic Zigzag Paths in Unidirectional C/PAEK

Yannick Martijn Buser*, Wouter J.B. Grouve, Erik Krämer, R. Akkerman

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

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Abstract

Induction welding has emerged as a promising technology for fusion bonding of carbon fibre reinforced thermoplastic composites. The process relies on the generation of eddy currents, induced by an alternating electromagnetic field, within a composite susceptor. The eddy current density and the resulting heat generation is directly influenced by the electrical conductivity of the carbon fibre
network, making accurate measurement of this orthotropic electrical property crucial for physics-based process simulations. The present study focuses on the characterisation of the in-plane transverse electrical conductivity in unidirectionally reinforced PAEK composites using the six-probe method. The
investigation specifically addresses the stochastic nature of the conductive paths within the fibre networks by considering the effects of the specimen dimensions and the uniformity of the current density field. The conductivity data obtained within this study is found to be consistent with earlier characterisation efforts that employed a different analysis technique. The agreement serves as a reliable validation of the methodology used in the previous study and provides valuable insights for future research in the field of electrical characterisation.
Original languageEnglish
Title of host publicationProceedings of the 23th International Conference on Composite Materials (ICCM23)
Publication statusPublished - 2024
EventTwenty-third International Conference on Composite Materials, ICCM 2023 - Belfast, Northern Ireland, United Kingdom
Duration: 30 Jul 20234 Aug 2023
Conference number: 23
https://iccm23.org/

Conference

ConferenceTwenty-third International Conference on Composite Materials, ICCM 2023
Abbreviated titleICCM 2023
Country/TerritoryUnited Kingdom
CityBelfast, Northern Ireland
Period30/07/234/08/23
Internet address

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