Method for the Microstructural Characterisation of Unidirectional Composite Tapes

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The outstanding properties of carbon fibre-reinforced polymer composites are affected by the development of its microstructure during processing. This work presents a novel approach to identify microstructural features both along the tape thickness and through the thickness. Voronoi tessellation-based evaluation of the fibre volume content on cross-sectional micrographs, with consideration of the matrix boundary, is performed. The method is shown to be robust and is suitable to be automated. It has the potential to discriminate specific microstructural features and to relate them to processing behaviour removing the need for manufacturing trials.
Original languageEnglish
Article number275
Number of pages16
JournalJournal of Composites Science
Issue number10
Publication statusPublished - 2021


  • composites
  • microstructure
  • characterisation
  • Voronoi tessellation
  • Microstructure characterisation
  • Composites


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