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Correlation Between Fibre Surface Energetics and Fibre-Matrix Adhesion in Carbon Fibre Reinforced Peek Composite

Published online by Cambridge University Press:  21 February 2011

D J Hodge ,
B A Middlemiss  and
J A Peacock
D J Hodge
Affiliation:
ICI Wilton Materials Research Centre, PO Box 90, Wilton, Middlesbrough, Cleveland, UK
B A Middlemiss
Affiliation:
ICI Wilton Materials Research Centre, PO Box 90, Wilton, Middlesbrough, Cleveland, UK
J A Peacock
Affiliation:
ICI Wilton Materials Research Centre, PO Box 90, Wilton, Middlesbrough, Cleveland, UK
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Abstract

Surface energies of carbon fibres at different levels at surface treatment have been determined by a wetting force technique and related to fibre-matrix adhesion in carbon fibre reinforced PEEK composite. The effect of oxidative surface treatment on the surface free energy is detailed, along with the changes in surface oxygen and nitrogen content, as determined by X-ray photoelectron spectroscopy (XPS). The work of adhesion has been calculated for the carbon fibres and thermoplastic, which correlate well with experimental determination of interfacial strength. The technique can therefore be used to predict adhesion levels in fibre reinforced composites.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 170: Symposium N – Interfaces in Composites , 1989 , 327
Copyright
Copyright © Materials Research Society 1990

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References

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