Transverse squeeze flow of fibre reinforced thermoplastic composites

Gerben Bieleman*, Gijs Rotink, Wouter J.B. Grouve, Edwin T.J. Klompen, Remko Akkerman

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

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Transverse squeeze flow is one of the deformation mechanisms that govern the forming of molten fiber reinforced thermoplastic composites. It is typically described by a transverse bulk viscosity, dictating the resistance against the flow of the combined constituents. In this work, the squeeze flow method was used to characterize the transverse viscosity of carbon fiber reinforced low-melting PAEK at three different compression rates. The experiments were recorded with a camera and the video images were analyzed to obtain the flow fields. A power law fluid model was fitted to the logged data, but found to be unable to describe the material behavior at all compression rates. Moreover, the video analyses indicated discrepancies between the observed specimen deformations and those predicted by the model. Future studies need to focus on the description of the squeeze flow behavior of UD C/LM-PAEK by different models (viscous, viscoelastic), using video-captured deformations for numerical fitting of the models.

Original languageEnglish
Title of host publicationMaterial Forming, ESAFORM 2024
Subtitle of host publicationThe 27th International ESAFORM Confernce on Material Forming held in Toulouse, France, April 24-26, 2024
EditorsAnna Carla Araujo, Arthur Cantarel, France Chabert, Adrian Korycki, Philippe Olivier, Fabrice Schmidt
PublisherAssociation of American Publishers
Number of pages9
ISBN (Print)9781644903131
Publication statusPublished - 2024
Event27th International ESAFORM Conference on Material Forming, ESAFORM 2024 - Toulouse, France
Duration: 24 Apr 202426 Apr 2024
Conference number: 27

Publication series

NameMaterials Research Proceedings
PublisherMaterials Research Forum
ISSN (Print)2474-3941
ISSN (Electronic)2474-395X


Conference27th International ESAFORM Conference on Material Forming, ESAFORM 2024
Abbreviated titleESAFORM 2024


  • Squeeze flow
  • Thermoplastic composites (TPCs)
  • Transverse viscosity


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