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Open AccessArticle

Electrolytic Surface Treatment for Improved Adhesion between Carbon Fibre and Polycarbonate

1
SABIC, Plasticslaan 1, 4612PX Bergen op Zoom, The Netherlands
2
Institute for Frontier Materials, Carbon Nexus, Deakin University, 75 Pigdons Rd, Waurn Ponds, VIC 3216, Australia
3
Leibniz-Institut für Polymerforschung Dresden e.V. (IPF), Hohe Straße 6, 01069 Dresden, Germany
4
SABIC Technology Center, 6160 AL Geleen, The Netherlands
5
SABIC Technology Center, Sugar Land, Houston, TX 77478, USA
*
Author to whom correspondence should be addressed.
Materials 2018, 11(11), 2253; https://doi.org/10.3390/ma11112253
Received: 13 October 2018 / Revised: 31 October 2018 / Accepted: 6 November 2018 / Published: 12 November 2018
(This article belongs to the Special Issue Carbon Fibers and Their Composite Materials)
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Abstract

To achieve good mechanical properties of carbon fibre-reinforced polycarbonate composites, the fibre-matrix adhesion must be dialled to an optimum level. The electrolytic surface treatment of carbon fibres during their production is one of the possible means of adapting the surface characteristics of the fibres. The production of a range of tailored fibres with varying surface treatments (adjusting the current, potential, and conductivity) was followed by contact angle, inverse gas chromatography and X-ray photoelectron spectroscopy measurements, which revealed a significant increase in polarity and hydroxyl, carboxyl, and nitrile groups on the fibre surface. Accordingly, an increase in the fibre-matrix interaction indicated by a higher interfacial shear strength was observed with the single fibre pull-out force-displacement curves. The statistical analysis identified the correlation between the process settings, fibre surface characteristics, and the performance of the fibres during single fibre pull-out testing. View Full-Text
Keywords: carbon fibre; surface treatment; polycarbonate; composites; interfacial adhesion; single fibre pull out carbon fibre; surface treatment; polycarbonate; composites; interfacial adhesion; single fibre pull out
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Kamps, J.H.; Henderson, L.C.; Scheffler, C.; Van der Heijden, R.; Simon, F.; Bonizzi, T.; Verghese, N. Electrolytic Surface Treatment for Improved Adhesion between Carbon Fibre and Polycarbonate. Materials 2018, 11, 2253.

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