Abstract
This work present the results obtained in the characterization of carbon fiber/epoxy laminates with two singularities: a non-crimp fabric (NCF) was used and the resin was doped with different contents of graphene obtained by a mechanochemical process using carbon nanofibers as starting material. Due to the small lateral size of the graphene particles used, no filtering effect is expected during the laminate manufacturing by RTM. The manufactured panels present a low void content and, in the case of the panel with a graphene content of 0.2 wt.% in the resin, a homogeneous distribution of resin and fiber was obtained along the resin path in the panel during the injection process. The results obtained in the cure evaluation reveal a slight accelerating effect of the cure reaction of the epoxy resin due to the presence of the graphene particles. However, the cure degree and the glass transition temperature of the laminates is very similar. From the mechanical point of view, the interlaminar shear strength increases by 9 % in the panel with graphene/epoxy matrix.
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