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Carbon fibre surfaces with grafted functional groups and sizings and its interaction with different matrices

conference contribution
posted on 2017-01-01, 00:00 authored by E Wölfel, Luke HendersonLuke Henderson, C Scheffler
© 2017 International Committee on Composite Materials. All rights reserved. The aim of this research is to investigate the influence of different fibre surface modifications on the adhesion between carbon fibre and thermoplastic or thermoset matrices following different approaches. Carbonized, additionally oxidized and extra amino functionalized as well as epoxy sized and plasma modified single fibres were embedded into epoxy resin, polyamide 66 (PA66), polybutylene terephthalate (PBT), and maleic anhydride grafted polypropylene. Single fibre composites were produced in order to characterize the adhesion strength by the single fibre pull-out test. The failure behavior was investigated using scanning electron microscopy. The results show that the adhesion between fibre and matrix could be improved due to the installed amino groups in PA 66, the removal of the epoxy sizing, and applied oxygen containing groups in maleic anhydride modified PP. In the case of carbon fibre the epoxy sizing is supposed to seal the different functional groups on the fibre surface, however, an improved fibre-matrix adhesion in epoxy and PBT matrix was found.

History

Event

Composite Materials. Conference (2017 : 21st : Xi'an, China)

Pagination

1 - 6

Publisher

[The Conference]

Location

Xi'an, China

Place of publication

[Xi'an, China]

Start date

2017-08-20

End date

2017-08-25

Language

eng

Publication classification

E1 Full written paper - refereed

Title of proceedings

ICCM 21 : Proceedings of the 2017 International Conferences on Composite Materials

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