Shape memory effect and mechanical properties of graphene/epoxy composites |
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| Authors: | Li-Min Zhao Xue Feng Yan-Feng Li Xu-Jun Mi |
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| Institution: | 1. State Key Laboratory of Nonferrous Metals and Process, General Research Institute for Nonferrous, Beijing, 100088, China
2. College of Materials Science and Engineering, Liaocheng University, Liaocheng, 252059, China
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| Abstract: | Graphene/epoxy shape memory composites were fabricated with graphene from a simple and low cost method of chemical oxidation-reduction process. The fine and homogeneous dispersion of graphene throughout the epoxy matrix with different graphene mass fraction were prepared and their properties were investigated. It was found that storage elastic modulus rose with the increase of graphene mass fraction, which indicated that the recovery stress of graphene/epoxy composites would be greater than that of the pure epoxy. The graphene/epoxy composites with lower content graphene showed a good shape memory effect and a recovering speed superior to the pure epoxy. |
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