界面结合方式对氧化石墨烯-碳纤维/环氧树脂复合材料性能的影响

doi:10.12066/j.issn.1007-2861.2123

Abstract

Abstract:

Graphene oxide (GO)-carbon fibre/epoxy (EP) composites were prepared via different synthesis methods. The three interface bonding mechanisms were discussed. The effects of different interfaces on the interfacial shear strength (IFSS), flexural properties, and interlaminar shear strength (ILSS) of GO-carbon fibre/epoxy composites were compared and analysed. The results show that the role of GO on the interface of the composite is primarily to enhance the mechanical interlocking effect at the interface and the force generated by the formation of a small amount of chemical bonds. The interfacial bonding mode of GO adsorbed on the surface of carbon fibre and subsequently formed with epoxy resin increases the interfacial shear strength of the composite by 66.97%, the bending strength by 31.84%, and the interlaminar shear strength by 10%. The utilisation of GO is the highest, and the process is simple. It is therefore conducive to the realisation of industrial production.

Key words: graphene oxide (GO), epoxy (EP) resin, carbon fibre (CF), mechanical properties

CLC Number:

TB332

ZHANG Yaping, SHI Lei, GUO Xiaofeng, LIU Liqi. Effects of different interfaces on mechanical properties of graphene oxide-carbon fibre/epoxy resin composites[J]. Journal of Shanghai University（Natural Science Edition）, 2020, 26(6): 927-936.

Figures/Tables 11

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Effects of different interfaces on mechanical properties of graphene oxide-carbon fibre/epoxy resin composites

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