Surface characterisation of carbon fibre recycled using fluidised bed

G. Jiang, S. J. Pickering, G. S. Walker, K. H. Wong, C. D. Rudd

Research output: Journal PublicationArticlepeer-review

72 Citations (Scopus)

Abstract

X-ray photoelectron spectroscopy (XPS) was used to investigate the surface of carbon fibres recycled using a high-temperature fluidised bed. The interfacial shear strength of the recycled carbon fibres with epoxy resin was examined using a micro-droplet test. The corresponding as received carbon fibres were used as control samples. It was shown that the recycling process converted some of the surface hydroxyl groups into carbonyl and carboxylic groups due to the effect of heat in atmosphere of air. The overall O/C ratio was not changed significantly. The interfacial shear strength with epoxy resin was not affected by the change of surface oxygen composition. It was also shown that surface texture may play a dominant role in interfacial bonding performance.

Original languageEnglish
Pages (from-to)2588-2593
Number of pages6
JournalApplied Surface Science
Volume254
Issue number9
DOIs
Publication statusPublished - 28 Feb 2008
Externally publishedYes

Keywords

  • Carbon fibre
  • Interfacial bonding
  • Recycling
  • XPS

ASJC Scopus subject areas

  • Chemistry (all)
  • Condensed Matter Physics
  • Physics and Astronomy (all)
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

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