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      Filtration effects of graphene nanoplatelets in resin infusion processes: Problems and possible solutions

      , , , , , , , ,
      Composites Science and Technology
      Elsevier BV

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          Graphene based materials: Past, present and future

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            Interfacial microstructure and properties of carbon fiber composites modified with graphene oxide.

            The performance of carbon fiber-reinforced composites is dependent to a great extent on the properties of fiber-matrix interface. To improve the interfacial properties in carbon fiber/epoxy composites, we directly introduced graphene oxide (GO) sheets dispersed in the fiber sizing onto the surface of individual carbon fibers. The applied graphite oxide, which could be exfoliated to single-layer GO sheets, was verified by atomic force microscope (AFM). The surface topography of modified carbon fibers and the distribution of GO sheets in the interfacial region of carbon fibers were detected by scanning electron microscopy (SEM). The interfacial properties between carbon fiber and matrix were investigated by microbond test and three-point short beam shear test. The tensile properties of unidirectional (UD) composites were investigated in accordance with ASTM standards. The results of the tests reveal an improved interfacial and tensile properties in GO-modified carbon fiber composites. Furthermore, significant enhancement of interfacial shear strength (IFSS), interlaminar shear strength (ILSS), and tensile properties was achieved in the composites when only 5 wt % of GO sheets introduced in the fiber sizing. This means that an alternative method for improving the interfacial and tensile properties of carbon fiber composites by controlling the fiber-matrix interface was developed. Such multiscale reinforced composites show great potential with their improved mechanical performance to be likely applied in the aerospace and automotive industries.
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              Influence of nano-modification on the mechanical and electrical properties of conventional fibre-reinforced composites

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                Author and article information

                Journal
                Composites Science and Technology
                Composites Science and Technology
                Elsevier BV
                02663538
                February 2017
                February 2017
                : 139
                :
                : 138-145
                Article
                10.1016/j.compscitech.2016.12.020
                f9c43844-cfa8-4ad6-85d7-104b89f80b9b
                © 2017
                History

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