Abstract
The influence of ultrasonic oscillation process on the performance of oxidized graphene (OG) /epoxy resin (EP) composite is studied. The results show that the oscillation process can greatly improve the tensile strength, shear strength and hardness of EP, as well as it’s morphology, for the compatibility of EP with OG is greatly improved after oscillation. OG can improve the dielectric constants of EP to some extent, while increase the tensile strength at low content, decrease with adding more OG. The tensile strength of EP is 19.32MPa and the dielectric constants 1.73 with 3/1000 content of OG. The morphology of the EP shows that the fracture surface of the composite is layer shape while the surface of EP is smooth, indicating OG change the structure of EP after cross-linking reaction.
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