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Volume 25 Issue 1
Jan.  2018
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文章导航 >  矿物冶金与材料学报（英文）  > 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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研究论文

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

  • School of Materials Science and Engineering, Hunan University, Changsha 410082, China

  • College of Chemistry and Chemical Engineering, Hunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese Resources, Central South University, Changsha 410083, China

  • 通讯作者:

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

    Jin-gang Yu    E-mail: yujg@csu.edu.cn

  • 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.
    • Research Article

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

    + Author Affiliations
      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.
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