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10.3390/ma15031218
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Article

Microstructure Evolution of Graphene and the Corresponding Effect on the Mechanical/Electrical Properties of Graphene/Cu Composite during Rolling Treatment

by
Ziyang Xiu
1,2,†,
Boyu Ju
2,*,†,
Junhai Zhan
3,
Ningbo Zhang
4,
Zhijun Wang
2,
Yong Mei
2,5,*,
Jinming Liu
6,*,
Yuhan Feng
5,*,
Yixin Guo
2,
Pengchao Kang
2,*,
Qiang Zhang
2,* and
Wenshu Yang
2,*
1
State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China
2
School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
3
Shanghai Aerospace System Engineering Research Institute, Shanghai 201108, China
4
Aerospace Research Institute of Materials & Processing Technology, Beijing 100076, China
5
School of Astronautics, Harbin Institute of Technology, Harbin 150001, China
6
Defense Engineering of Academy of Military Sciences, PLA Academy of Military Sciences, Beijing 100036, China
*
Authors to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Materials 2022, 15(3), 1218; https://doi.org/10.3390/ma15031218
Submission received: 28 December 2021 / Revised: 4 February 2022 / Accepted: 4 February 2022 / Published: 6 February 2022
(This article belongs to the Special Issue Commemorating the Launch of the Section 'Metals and Alloys')
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Abstract

Rolling enables the directional alignment of the reinforcements in graphene/Cu composites while achieving uniform graphene dispersion and matrix grain refinement. This is expected to achieve a breakthrough in composite performance. In this paper, the process parameters of rolling are investigated, and the defects, thickness variations of graphene and property changes of the composite under different parameters are analyzed. High-temperature rolling is beneficial to avoid the damage of graphene during rolling, and the prepared composites have higher electrical conductivity. The properties of graphene were investigated. Low-temperature rolling is more favorable to the thinning and dispersion of graphene; meanwhile, the relative density of the composites is higher in the low-temperature rolling process. With the increase of rolling deformation, the graphene defects slightly increased and the number of layers decreased. In this paper, the defect states of graphene and the electrical conductivity with different rolling parameters is comprehensively investigated to provide a reference for the rolling process of graphene/copper composites with different demands.
Keywords: graphene/cu composite; rolling treatment; graphene dispersion; graphene defects graphene/cu composite; rolling treatment; graphene dispersion; graphene defects

Share and Cite

MDPI and ACS Style

Xiu, Z.; Ju, B.; Zhan, J.; Zhang, N.; Wang, Z.; Mei, Y.; Liu, J.; Feng, Y.; Guo, Y.; Kang, P.; et al. Microstructure Evolution of Graphene and the Corresponding Effect on the Mechanical/Electrical Properties of Graphene/Cu Composite during Rolling Treatment. Materials 2022, 15, 1218. https://doi.org/10.3390/ma15031218

AMA Style

Xiu Z, Ju B, Zhan J, Zhang N, Wang Z, Mei Y, Liu J, Feng Y, Guo Y, Kang P, et al. Microstructure Evolution of Graphene and the Corresponding Effect on the Mechanical/Electrical Properties of Graphene/Cu Composite during Rolling Treatment. Materials. 2022; 15(3):1218. https://doi.org/10.3390/ma15031218

Chicago/Turabian Style

Xiu, Ziyang, Boyu Ju, Junhai Zhan, Ningbo Zhang, Zhijun Wang, Yong Mei, Jinming Liu, Yuhan Feng, Yixin Guo, Pengchao Kang, and et al. 2022. "Microstructure Evolution of Graphene and the Corresponding Effect on the Mechanical/Electrical Properties of Graphene/Cu Composite during Rolling Treatment" Materials 15, no. 3: 1218. https://doi.org/10.3390/ma15031218

APA Style

Xiu, Z., Ju, B., Zhan, J., Zhang, N., Wang, Z., Mei, Y., Liu, J., Feng, Y., Guo, Y., Kang, P., Zhang, Q., & Yang, W. (2022). Microstructure Evolution of Graphene and the Corresponding Effect on the Mechanical/Electrical Properties of Graphene/Cu Composite during Rolling Treatment. Materials, 15(3), 1218. https://doi.org/10.3390/ma15031218

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