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Effect of Solution Aging Parameters on Microstructure and Mechanical Properties of Hot-Extruded 6082 Aluminum Alloy Profile.

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Title: Effect of Solution Aging Parameters on Microstructure and Mechanical Properties of Hot-Extruded 6082 Aluminum Alloy Profile.
Authors: Shan, Qiangchao1 (AUTHOR), Yang, Linqing1 (AUTHOR), Wang, Hongyan1 (AUTHOR), Qian, Cheng1 (AUTHOR), Li, Zulai1 (AUTHOR) lizulai@126.com, Xiao, Han1 (AUTHOR) kmxh@kust.edu.cn
Source: Journal of Materials Engineering & Performance. Jan2026, Vol. 35 Issue 2, p1654-1664. 11p.
Subjects: Microstructure, Mechanical behavior of materials, Aluminum alloys, Heat treatment, Grain size
Abstract: To examine how solution aging parameters influence the microstructure and characteristics of hot-extruded 6082 aluminum alloy profiles, the study focused on hot-extruded 6082 aluminum alloy guardrails. Various solid solution aging treatments with different parameters were applied. The influence of solution aging treatment on the microstructure was examined through OM, SEM, EDS, and EBSD techniques, while a universal electronic testing machine was employed to assess how solution aging treatment affects mechanical properties. The findings indicated that with an increase in the solution temperature, the grains expanded considerably in size, while the quantity of Mg2Si second phase particles progressively diminished. This suggests that as the solution temperature increases, the solubility of the Mg2Si phase within the matrix also increases, with optimal mechanical properties of the profile noted at a solution temperature of 530 °C. As the solution process took more time, the solubility of the Mg2Si phase in the matrix increased at first, but then decreased. The level of solution impacts the strengthening effect following aging, which causes the mechanical properties to initially rise and then fall. The optimal parameters for solid solution aging are a solid solution at 530 °C for 50 min, followed by aging at 120 °C for 2 h and then at 170 °C for 4 h. The process improves the mechanical properties of the sample from the initial strength of 154.7-317.6 MPa, and the uniformity of mechanical properties between different parts is improved. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Materials Engineering & Performance is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 190887966
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  Data: Effect of Solution Aging Parameters on Microstructure and Mechanical Properties of Hot-Extruded 6082 Aluminum Alloy Profile.
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  Data: <searchLink fieldCode="AR" term="%22Shan%2C+Qiangchao%22">Shan, Qiangchao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yang%2C+Linqing%22">Yang, Linqing</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Hongyan%22">Wang, Hongyan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Qian%2C+Cheng%22">Qian, Cheng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Zulai%22">Li, Zulai</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> lizulai@126.com</i><br /><searchLink fieldCode="AR" term="%22Xiao%2C+Han%22">Xiao, Han</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> kmxh@kust.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Materials+Engineering+%26+Performance%22">Journal of Materials Engineering & Performance</searchLink>. Jan2026, Vol. 35 Issue 2, p1654-1664. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Microstructure%22">Microstructure</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+behavior+of+materials%22">Mechanical behavior of materials</searchLink><br /><searchLink fieldCode="DE" term="%22Aluminum+alloys%22">Aluminum alloys</searchLink><br /><searchLink fieldCode="DE" term="%22Heat+treatment%22">Heat treatment</searchLink><br /><searchLink fieldCode="DE" term="%22Grain+size%22">Grain size</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: To examine how solution aging parameters influence the microstructure and characteristics of hot-extruded 6082 aluminum alloy profiles, the study focused on hot-extruded 6082 aluminum alloy guardrails. Various solid solution aging treatments with different parameters were applied. The influence of solution aging treatment on the microstructure was examined through OM, SEM, EDS, and EBSD techniques, while a universal electronic testing machine was employed to assess how solution aging treatment affects mechanical properties. The findings indicated that with an increase in the solution temperature, the grains expanded considerably in size, while the quantity of Mg2Si second phase particles progressively diminished. This suggests that as the solution temperature increases, the solubility of the Mg2Si phase within the matrix also increases, with optimal mechanical properties of the profile noted at a solution temperature of 530 °C. As the solution process took more time, the solubility of the Mg2Si phase in the matrix increased at first, but then decreased. The level of solution impacts the strengthening effect following aging, which causes the mechanical properties to initially rise and then fall. The optimal parameters for solid solution aging are a solid solution at 530 °C for 50 min, followed by aging at 120 °C for 2 h and then at 170 °C for 4 h. The process improves the mechanical properties of the sample from the initial strength of 154.7-317.6 MPa, and the uniformity of mechanical properties between different parts is improved. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Materials Engineering & Performance is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Text: English
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        StartPage: 1654
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      – SubjectFull: Aluminum alloys
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              Text: Jan2026
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