Wen-ming Tian, Song-mei Li, Bo Wang, Xin Chen, Jian-hua Liu, and Mei Yu, Graphene-reinforced aluminum matrix composites prepared by spark plasma sintering, Int. J. Miner. Metall. Mater., 23(2016), No. 6, pp. 723-729. https://doi.org/10.1007/s12613-016-1286-0
Cite this article as:
Wen-ming Tian, Song-mei Li, Bo Wang, Xin Chen, Jian-hua Liu, and Mei Yu, Graphene-reinforced aluminum matrix composites prepared by spark plasma sintering, Int. J. Miner. Metall. Mater., 23(2016), No. 6, pp. 723-729. https://doi.org/10.1007/s12613-016-1286-0

Graphene-reinforced aluminum matrix composites prepared by spark plasma sintering

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  • Corresponding author:

    Song-mei Li    E-mail: songmei_li@buaa.edu.cn

  • Received: 3 September 2015Revised: 28 November 2015Accepted: 6 January 2016
  • Graphene-reinforced 7055 aluminum alloy composites with different contents of graphene were prepared by spark plasma sintering (SPS). The structure and mechanical properties of the composites were investigated. Testing results show that the hardness, compressive strength, and yield strength of the composites are improved with the addition of 1wt% graphene. A clean, strong interface is formed between the metal matrix and graphene via metallurgical bonding on atomic scale. Harmful aluminum carbide (Al4C3) is not formed during SPS processing. Further addition of graphene (above 1wt%) results in the deterioration in mechanical properties of the composites. The agglomeration of graphene plates is exacerbated with increasing graphene content, which is the main reason for this deterioration.
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