Fabrication of homogeneously dispersed graphene/Al composites by solution mixing and powder metallurgy

Xiang Zeng; Jie Teng; Jin-gang Yu; Ao-shuang Tan; Ding-fa Fu; Hui Zhang

doi:10.1007/s12613-018-1552-4

Volume 25 Issue 1

Jan. 2018

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Article Navigation > International Journal of Minerals, Metallurgy and Materials > 2018 > 25(1): 102-109

Xiang Zeng, Jie Teng, Jin-gang Yu, Ao-shuang Tan, Ding-fa Fu, and Hui Zhang, Fabrication of homogeneously dispersed graphene/Al composites by solution mixing and powder metallurgy, Int. J. Miner. Metall. Mater., 25(2018), No. 1, pp. 102-109. https://doi.org/10.1007/s12613-018-1552-4

Cite this article as:

Xiang Zeng, Jie Teng, Jin-gang Yu, Ao-shuang Tan, Ding-fa Fu, and Hui Zhang, Fabrication of homogeneously dispersed graphene/Al composites by solution mixing and powder metallurgy, Int. J. Miner. Metall. Mater., 25(2018), No. 1, pp. 102-109. https://doi.org/10.1007/s12613-018-1552-4

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Research Article

Fabrication of homogeneously dispersed graphene/Al composites by solution mixing and powder metallurgy

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Corresponding authors:
Jie Teng E-mail: tengjie@hnu.edu.cn

Jin-gang Yu E-mail: yujg@csu.edu.cn
Received: 19 April 2017; Revised: 7 June 2017; Accepted: 12 June 2017

Abstract

Abstract

Graphene-reinforced aluminum (Al) matrix composites were successfully prepared via solution mixing and powder metallurgy in this study. The mechanical properties of the composites were studied using microhardness and tensile tests. Compared to the pure Al alloy, the graphene/Al composites showed increased strength and hardness. A tensile strength of 255 MPa was achieved for the graphene/Al composite with only 0.3wt% graphene, which has a 25% increase over the tensile strength of the pure Al matrix. Raman spectroscopy, Fourier transform infrared spectroscopy, scanning electron microscopy, and transmission electron microscopy were used to investigate the morphologies, chemical compositions, and microstructures of the graphene and the graphene/Al composites. On the basis of fractographic evidence, a relevant fracture mechanism is proposed.
- graphene;
- metal matrix composites;
- solution mixing;
- powder metallurgy;
- mechanical properties

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