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Aerospace 2015, 2(3), 423-434; doi:10.3390/aerospace2030423

Graphene/Epoxy Coating as Multifunctional Material for Aircraft Structures

Department of Chemical, Materials and Production Engineering, University of Naples Federico II, Piazzale Tecchio 80, 80125 Naples, Italy
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Author to whom correspondence should be addressed.
Academic Editor: Rafic Ajaj
Received: 12 June 2015 / Accepted: 24 June 2015 / Published: 30 June 2015
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Abstract

Recently, the use of graphene as a conductive nanofiller in the preparation of inorganic/polymer nanocomposites has attracted increasing interest in the aerospace field. The reason for this is the possibility of overcoming problems strictly connected to the aircraft structures, such as electrical conductivity and thus lightning strike protection. In addition, graphene is an ideal candidate to enhance the anti-corrosion properties of the resin, since it absorbs most of the light and provides hydrophobicity for repelling water. An important aspect of these multifunctional materials is that all these improvements can be realized even at very low filler loadings in the polymer matrix. In this work, graphene nanoflakes were incorporated into a water-based epoxy resin, and then the hybrid coating was applied to Al 2024-T3 samples. The addition of graphene considerably improved some physical properties of the hybrid coating as demonstrated by Electrochemical Impedance Spectroscopy (EIS) analysis, ameliorating anti-corrosion performances of raw material. DSC measurements and Cross-cut Test showed that graphene did not affect the curing process or the adhesion properties. Moreover, an increment of water contact angle was displayed. View Full-Text
Keywords: multifunctional material; graphene/epoxy coatings; corrosion resistance multifunctional material; graphene/epoxy coatings; corrosion resistance
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Monetta, T.; Acquesta, A.; Bellucci, F. Graphene/Epoxy Coating as Multifunctional Material for Aircraft Structures. Aerospace 2015, 2, 423-434.

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