Effects of intermediate annealing time on texture evolution during multi-pass cold-shear-straining of an Al–Mg–Si–Cu alloy
This study examines the effects of different intermediate annealing times during multi-pass cold-torsion tests on the microstructure in alloys of aluminum, magnesium, silicon, and copper (Al–Mg–Si–Cu). The mean flow stress, when the intermediate annealing time is shorter, increases until sufficient...
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Language: | English |
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Elsevier
2023-05-01
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Series: | Journal of Materials Research and Technology |
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Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785423008645 |
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author | Hyeon-Woo Son Chan-Ho Jeon Taeo Son Yun-Soo Lee Won-Kyung Kim Soong-Keun Hyun |
author_facet | Hyeon-Woo Son Chan-Ho Jeon Taeo Son Yun-Soo Lee Won-Kyung Kim Soong-Keun Hyun |
author_sort | Hyeon-Woo Son |
collection | DOAJ |
description | This study examines the effects of different intermediate annealing times during multi-pass cold-torsion tests on the microstructure in alloys of aluminum, magnesium, silicon, and copper (Al–Mg–Si–Cu). The mean flow stress, when the intermediate annealing time is shorter, increases until sufficient internal strain accumulates and then decreases rapidly. In contrast, the mean flow stress decreases continuously when the IA time is longer. X-ray line profile analysis revealed a rapid decrease in mean flow stress because of the high stored internal energy represented by the dislocation density. In addition, a short annealing time allows the B component to form in the initial stage of multi-pass torsion, and a random texture distribution occurs as the multi-pass torsion stage progresses. In contrast, a long annealing time can dissipate the texture distribution in a low-pass stage (low strain) and decreases the overall deformation resistance, despite the much stronger texture intensity in a high-strain area. Finally, the B texture component is consumed by the A component in the initial stages of the multi-pass cold torsion test. This is attributed to the different orientation relationships of the shear plane in the A and B components, which caused deviations in dislocation density. |
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id | doaj.art-8e03b370184846ad9ea7f84453ea4f20 |
institution | Directory Open Access Journal |
issn | 2238-7854 |
language | English |
last_indexed | 2024-03-13T04:09:28Z |
publishDate | 2023-05-01 |
publisher | Elsevier |
record_format | Article |
series | Journal of Materials Research and Technology |
spelling | doaj.art-8e03b370184846ad9ea7f84453ea4f202023-06-21T06:57:00ZengElsevierJournal of Materials Research and Technology2238-78542023-05-012460006008Effects of intermediate annealing time on texture evolution during multi-pass cold-shear-straining of an Al–Mg–Si–Cu alloyHyeon-Woo Son0Chan-Ho Jeon1Taeo Son2Yun-Soo Lee3Won-Kyung Kim4Soong-Keun Hyun5Metallic Materials Division, Korea Institute of Materials Science, Changwon, 51508, Republic of KoreaDepartment of Materials Science and Engineering, Inha University, Incheon, 22212, Republic of KoreaDepartment of Materials Science and Engineering, Inha University, Incheon, 22212, Republic of KoreaMetallic Materials Division, Korea Institute of Materials Science, Changwon, 51508, Republic of Korea; Department of Materials Science and Engineering, Inha University, Incheon, 22212, Republic of KoreaMetallic Materials Division, Korea Institute of Materials Science, Changwon, 51508, Republic of KoreaDepartment of Materials Science and Engineering, Inha University, Incheon, 22212, Republic of Korea; Corresponding author.This study examines the effects of different intermediate annealing times during multi-pass cold-torsion tests on the microstructure in alloys of aluminum, magnesium, silicon, and copper (Al–Mg–Si–Cu). The mean flow stress, when the intermediate annealing time is shorter, increases until sufficient internal strain accumulates and then decreases rapidly. In contrast, the mean flow stress decreases continuously when the IA time is longer. X-ray line profile analysis revealed a rapid decrease in mean flow stress because of the high stored internal energy represented by the dislocation density. In addition, a short annealing time allows the B component to form in the initial stage of multi-pass torsion, and a random texture distribution occurs as the multi-pass torsion stage progresses. In contrast, a long annealing time can dissipate the texture distribution in a low-pass stage (low strain) and decreases the overall deformation resistance, despite the much stronger texture intensity in a high-strain area. Finally, the B texture component is consumed by the A component in the initial stages of the multi-pass cold torsion test. This is attributed to the different orientation relationships of the shear plane in the A and B components, which caused deviations in dislocation density.http://www.sciencedirect.com/science/article/pii/S2238785423008645Intermediate annealingMulti-pass torsionX-ray line profile analysisStored energyTexture evolution |
spellingShingle | Hyeon-Woo Son Chan-Ho Jeon Taeo Son Yun-Soo Lee Won-Kyung Kim Soong-Keun Hyun Effects of intermediate annealing time on texture evolution during multi-pass cold-shear-straining of an Al–Mg–Si–Cu alloy Journal of Materials Research and Technology Intermediate annealing Multi-pass torsion X-ray line profile analysis Stored energy Texture evolution |
title | Effects of intermediate annealing time on texture evolution during multi-pass cold-shear-straining of an Al–Mg–Si–Cu alloy |
title_full | Effects of intermediate annealing time on texture evolution during multi-pass cold-shear-straining of an Al–Mg–Si–Cu alloy |
title_fullStr | Effects of intermediate annealing time on texture evolution during multi-pass cold-shear-straining of an Al–Mg–Si–Cu alloy |
title_full_unstemmed | Effects of intermediate annealing time on texture evolution during multi-pass cold-shear-straining of an Al–Mg–Si–Cu alloy |
title_short | Effects of intermediate annealing time on texture evolution during multi-pass cold-shear-straining of an Al–Mg–Si–Cu alloy |
title_sort | effects of intermediate annealing time on texture evolution during multi pass cold shear straining of an al mg si cu alloy |
topic | Intermediate annealing Multi-pass torsion X-ray line profile analysis Stored energy Texture evolution |
url | http://www.sciencedirect.com/science/article/pii/S2238785423008645 |
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