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Fabrication of Cu/Al/Cu Laminated Composites Reinforced with Graphene by Hot Pressing and Evaluation of Their Electrical Conductivity

Zheng, Hang, Zhang, Ruixiang, Xu, Qin, Kong, Xiangqing, Sun, Wanting, Fu, Ying, Wu, Muhong, Liu, Kaihui·2023·Materials
DOI 10.3390/ma16020622
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Abstract

Metal laminated composites are widely used in industrial and commercial applications due to their excellent overall performance. In this study, the copper/graphene-aluminum-copper/graphene (Cu/Gr-Al-Cu/Gr) laminated composites were prepared by ingenious hot pressing design. Raman, optical microscope (OM), scanning electron microscope (SEM), van der Pauw (vdP), and X-Ray Diffractometer (XRD) were used to investigate the graphene status, interface bonding, diffusion layer thickness, electrical conductivity, Miller indices and secondary phases, respectively. The results demonstrate that the Cu-Al interfaces in the Cu/Gr-Al-Cu/Gr composites were free of pores, cracks and other defects and bonded well. The number of graphene layers was varied by regulating the thickness of the Cu/Gr layer, with the Cu/Gr foils fabricated by chemical vapor deposition (CVD). The electrical conductivity of the composite was significantly improved by the induced high-quality interfaces Cu/Gr structure. The increased number of graphene layers is beneficial for enhancing the electrical conductivity of the Cu/Gr-Al-Cu/Gr composite, and the highest conductivity improved by 20.5% compared to that of raw Al.

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Metadata

Authors
Zheng, H., Zhang, R., Xu, Q., Kong, X., Sun, W., Fu, Y., Wu, M., & Liu, K.
Venue
Materials
Publisher
MDPI AG
Published
2023-01-09
Volume
16
Issue
2
Pages
622
ISSN
1996-1944
DOI
10.3390/ma16020622
Cited by
21
References
1
Language
en
Licence
creativecommons.org/licenses/by/4.0/ (vor)
Funders
  • Guangdong Major Project of Basic and Applied Basic Research (2021B0301030002, Y1D1051C511, Y1Q1011C511, 21A430010)
  • Innovative Model Factory Project of Songshan Lake Materials Laboratory (2021B0301030002, Y1D1051C511, Y1Q1011C511, 21A430010)
  • Educational Department of Henan Province (2021B0301030002, Y1D1051C511, Y1Q1011C511, 21A430010)

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CoChat. (2026). Citation check: Fabrication of Cu/Al/Cu Laminated Composites Reinforced with Graphene by Hot Pressing and Evaluation of Their Electrical Conductivity. https://app.cochat.ai/papers/10.3390/ma16020622
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Zheng, H., Zhang, R., Xu, Q., Kong, X., Sun, W., Fu, Y., Wu, M., & Liu, K. (2023). Fabrication of Cu/Al/Cu Laminated Composites Reinforced with Graphene by Hot Pressing and Evaluation of Their Electrical Conductivity. Materials. https://doi.org/10.3390/ma16020622