Controlling the edge effect using a bypass conductor for induction welding of carbon fibre thermoplastic composites

Michiel Hagenbeek, Kim Vila Bramon, Irene Fernandez Villegas

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Abstract

Carbon fibre thermoplastic composites can be induction welded thanks to the electrical conductive nature of carbon fibre. Due to a locally contrained current flow more heat is generated at the edges of the composites. To counteract this so called edge effect a highly conductive material is attached to the edge to create an electrical bypass. The effect of a thin copper bypass has been assessed by performing induction heating experiments on single and double carbon fibre PPS composite coupons. The induction parameters where chosen such that without a bypass the edge would locally reach the melting temperature. The results clearly show the ability of the copper bypass to reduce the edge effect and prevent overheating at the edge.
Original languageEnglish
Title of host publicationProceedings of the 18th European Conference on Composite Materials
Subtitle of host publication24-28th June 2018, Athens, Greece
Number of pages6
ISBN (Electronic)9781510896932
Publication statusPublished - 2018
EventECCM18: 18th European Conference on Composite Materials - Athens, Greece
Duration: 24 Jun 201828 Jun 2018
Conference number: 18
http://www.eccm18.org/

Conference

ConferenceECCM18: 18th European Conference on Composite Materials
Abbreviated titleECCM18
CountryGreece
CityAthens
Period24/06/1828/06/18
Internet address

Keywords

  • Edge effect
  • induction welding
  • carbon fibre composites
  • electrical bypass

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    Hagenbeek, M., Vila Bramon, K., & Fernandez Villegas, I. (2018). Controlling the edge effect using a bypass conductor for induction welding of carbon fibre thermoplastic composites. In Proceedings of the 18th European Conference on Composite Materials: 24-28th June 2018, Athens, Greece