Influence of rolling temperature on the interfaces and mechanical performance of graphene-reinforced aluminum-matrix composites

Chen-yang Huang; Shui-ping Hu; Kai Chen

doi:10.1007/s12613-019-1780-2

Volume 26 Issue 6

Jun. 2019

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文章导航 > 矿物冶金与材料学报（英文） > 2019 > 26(6): 752-759

Chen-yang Huang, Shui-ping Hu, and Kai Chen, Influence of rolling temperature on the interfaces and mechanical performance of graphene-reinforced aluminum-matrix composites, Int. J. Miner. Metall. Mater., 26(2019), No. 6, pp. 752-759. https://doi.org/10.1007/s12613-019-1780-2

Cite this article as:

Chen-yang Huang, Shui-ping Hu, and Kai Chen, Influence of rolling temperature on the interfaces and mechanical performance of graphene-reinforced aluminum-matrix composites, Int. J. Miner. Metall. Mater., 26(2019), No. 6, pp. 752-759. https://doi.org/10.1007/s12613-019-1780-2

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研究论文

Influence of rolling temperature on the interfaces and mechanical performance of graphene-reinforced aluminum-matrix composites

Institute of Engineering Technology, University of Science and Technology Beijing, Beijing 100083, China
School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China

通讯作者:
Shui-ping Hu E-mail: husp@nercar.ustb.edu.cn

中文摘要

To study the influence of rolling on the interfaces and mechanical performance of graphene-reinforced Al-matrix composites, a rolling method was used to process them. Using scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), Raman spectroscopy, and tensile testing, this study analyzed the micromorphology, interfaces, and mechanical performance of the composites before and after rolling. The experimental results demonstrates that the composites after hot rolling has uniform structures with strong interfacial bonding. With an increase in rolling temperature, the tensile strength and elastic modulus of the composites gradually increase. However, when the rolling temperature is higher than 500℃, granular and rod-like Al₄C₃ phases are observed at the interfaces and the mechanical performance of the composites is degraded. When the rolling temperature is 480℃, the composites show the optimal comprehensive mechanical performance, with a tensile strength and elastic modulus of 403.3 MPa and 77.6 GPa, respectively, which represent increases of 31.6% and 36.9%, respectively, compared with the corresponding values prior to rolling.

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Research Article

Influence of rolling temperature on the interfaces and mechanical performance of graphene-reinforced aluminum-matrix composites

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Abstract

Abstract

To study the influence of rolling on the interfaces and mechanical performance of graphene-reinforced Al-matrix composites, a rolling method was used to process them. Using scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), Raman spectroscopy, and tensile testing, this study analyzed the micromorphology, interfaces, and mechanical performance of the composites before and after rolling. The experimental results demonstrates that the composites after hot rolling has uniform structures with strong interfacial bonding. With an increase in rolling temperature, the tensile strength and elastic modulus of the composites gradually increase. However, when the rolling temperature is higher than 500℃, granular and rod-like Al₄C₃ phases are observed at the interfaces and the mechanical performance of the composites is degraded. When the rolling temperature is 480℃, the composites show the optimal comprehensive mechanical performance, with a tensile strength and elastic modulus of 403.3 MPa and 77.6 GPa, respectively, which represent increases of 31.6% and 36.9%, respectively, compared with the corresponding values prior to rolling.
- rolling;
- graphene;
- composite;
- interface;
- mechanical performance

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Influence of rolling temperature on the interfaces and mechanical performance of graphene-reinforced aluminum-matrix composites

中文摘要

Influence of rolling temperature on the interfaces and mechanical performance of graphene-reinforced aluminum-matrix composites

Abstract

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