Synthesis and characterization of carbon fibers reinforcement with grafted graphene oxide

A kind of novel Chinese carbon fibers reinforcement with grafted graphene oxide on its surface was prepared by "grafting to" method. Functional groups and morphology of the resulting samples were examined by IR, XPS and AFM. The wettability and tensile strength of carbon fibers were investigated by contact angle measurement and single strands extension. The interfacial shear strength of Chinese carbon fibers reinforced composites was measured by micro-debonding method. The results show that the surface roughness, surface energy and tensile strength of the novel Chinese carbon fibers reinforcement are increased up to 166%, 46.3% and 7.8%, respectively. And the interfacial shear strength of Chinese carbon fibers reinforced composites is enhanced up to 111.7%.