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10.3390/ma16217019
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Article

High-Temperature Tensile Mechanical Properties and Microstructure of Rolled 6082-T6 Aluminum Alloy Sheets

by
Tuo Ye
1,2,
Erli Xia
1,2,
Sawei Qiu
1,2,
Yong Wang
1,2,
Huanyu Yue
1,
Jie Liu
1 and
Yuanzhi Wu
1,2,*
1
School of Intelligent Manufacturing and Mechanical Engineering, Hunan Institute of Technology, Hengyang 421002, China
2
Research Institute of Automobile Parts Technology, Hunan Institute of Technology, Hengyang 421002, China
*
Author to whom correspondence should be addressed.
Materials 2023, 16(21), 7019; https://doi.org/10.3390/ma16217019
Submission received: 9 October 2023 / Revised: 26 October 2023 / Accepted: 30 October 2023 / Published: 2 November 2023
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Abstract

The tensile properties of rolled 6082-T6 aluminum alloy were tested at a high temperature, and the influences of tensile temperature on its flow stress and anisotropy were studied. The microstructure evolution was characterized using optical microscopy (OM), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and X-ray diffraction (XRD). It was concluded that the tensile strength of the studied alloy decreases with increasing temperature. In higher-temperature deformation, the dislocation density decreases alongside the coarsening of precipitates, leading to a decrease in deformation resistance, and increase in the number of dimples and deepening of their sizes, exhibiting good plasticity. The alloy displays anisotropic mechanical properties at 200 °C due to the elongated grains and the orientation of the α-phase. The anisotropy becomes weaker with increasing temperature. There is no evident anisotropy at 400 °C, as the slip systems are activated more easily and the grains begin to recrystallize.
Keywords: 6082 alloy; anisotropy; mechanical properties; microstructure; texture 6082 alloy; anisotropy; mechanical properties; microstructure; texture

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MDPI and ACS Style

Ye, T.; Xia, E.; Qiu, S.; Wang, Y.; Yue, H.; Liu, J.; Wu, Y. High-Temperature Tensile Mechanical Properties and Microstructure of Rolled 6082-T6 Aluminum Alloy Sheets. Materials 2023, 16, 7019. https://doi.org/10.3390/ma16217019

AMA Style

Ye T, Xia E, Qiu S, Wang Y, Yue H, Liu J, Wu Y. High-Temperature Tensile Mechanical Properties and Microstructure of Rolled 6082-T6 Aluminum Alloy Sheets. Materials. 2023; 16(21):7019. https://doi.org/10.3390/ma16217019

Chicago/Turabian Style

Ye, Tuo, Erli Xia, Sawei Qiu, Yong Wang, Huanyu Yue, Jie Liu, and Yuanzhi Wu. 2023. "High-Temperature Tensile Mechanical Properties and Microstructure of Rolled 6082-T6 Aluminum Alloy Sheets" Materials 16, no. 21: 7019. https://doi.org/10.3390/ma16217019

APA Style

Ye, T., Xia, E., Qiu, S., Wang, Y., Yue, H., Liu, J., & Wu, Y. (2023). High-Temperature Tensile Mechanical Properties and Microstructure of Rolled 6082-T6 Aluminum Alloy Sheets. Materials, 16(21), 7019. https://doi.org/10.3390/ma16217019

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