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Faculty of Engineering and Information Sciences - Papers: Part A

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2012

Aluminum

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Reinforcement With Graphene Nanosheets In Aluminum Matrix Composites, Jingyue Wang, Zhiqiang Li, Genlian Fan, H H Pang, Zhixin Chen, Di Zhang Jan 2012

Reinforcement With Graphene Nanosheets In Aluminum Matrix Composites, Jingyue Wang, Zhiqiang Li, Genlian Fan, H H Pang, Zhixin Chen, Di Zhang

Faculty of Engineering and Information Sciences - Papers: Part A

Graphene has a high fracture strength of 125 GPa, making it an ideal reinforcement for composite materials. Aluminum composites reinforced with graphene nanosheets (GNSs) were fabricated for the first time through a feasible methodology based on flake powder metallurgy. The tensile strength of 249 MPa was achieved in the Al composite reinforced with only 0.3 wt.% GNSs, which is 62% enhancement over the unreinforced Al matrix. The relevant strengthening mechanisms involved in the GNS/Al composites were discussed along with experimental procedure.