Microstructure and Properties of 6061 Aluminum Alloy by Additive Friction Stir Deposition
Additive friction stir deposition (AFSD) enables solid-state, layer-by-layer metal deposition, minimizing defects and elemental loss from melting. Consequently, AFSD is highly effective for manufacturing aluminum alloys. Systematic studies indicate that grain structure influences properties along di...
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MDPI AG
2025-05-01
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| author | Han Gao Peng Dong Zhiwei Wei |
| author_facet | Han Gao Peng Dong Zhiwei Wei |
| author_sort | Han Gao |
| collection | DOAJ |
| description | Additive friction stir deposition (AFSD) enables solid-state, layer-by-layer metal deposition, minimizing defects and elemental loss from melting. Consequently, AFSD is highly effective for manufacturing aluminum alloys. Systematic studies indicate that grain structure influences properties along different processing directions in AFSD aluminum alloys. Accordingly, this study used AFSD to fabricate an aluminum alloy wall and rigorously characterized its microstructure and mechanical properties in both the XOY plane (X direction) specimen and the YOZ plane (Z direction) specimen. Results demonstrate that AFSD-fabricated 6061 aluminum alloys exhibit refined grains. Microhardness tests revealed directional variation, with the YOZ plane (Z direction) specimens showing lower hardness. Tensile tests showed that the transverse direction (X direction) specimens had slightly higher tensile strength than the deposition direction (Z direction) specimens. This study offers theoretical guidance for optimizing AFSD metal fabrication and provides data supporting the broader adoption of AFSD-fabricated 6061 aluminum alloys. |
| format | Article |
| id | doaj-art-a919b1195bfe48bb82283bdccf632d7a |
| institution | Kabale University |
| issn | 2075-4701 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | MDPI AG |
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| series | Metals |
| spelling | doaj-art-a919b1195bfe48bb82283bdccf632d7a2025-08-20T03:47:58ZengMDPI AGMetals2075-47012025-05-0115553910.3390/met15050539Microstructure and Properties of 6061 Aluminum Alloy by Additive Friction Stir DepositionHan Gao0Peng Dong1Zhiwei Wei2College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, ChinaCollege of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, ChinaCollege of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, ChinaAdditive friction stir deposition (AFSD) enables solid-state, layer-by-layer metal deposition, minimizing defects and elemental loss from melting. Consequently, AFSD is highly effective for manufacturing aluminum alloys. Systematic studies indicate that grain structure influences properties along different processing directions in AFSD aluminum alloys. Accordingly, this study used AFSD to fabricate an aluminum alloy wall and rigorously characterized its microstructure and mechanical properties in both the XOY plane (X direction) specimen and the YOZ plane (Z direction) specimen. Results demonstrate that AFSD-fabricated 6061 aluminum alloys exhibit refined grains. Microhardness tests revealed directional variation, with the YOZ plane (Z direction) specimens showing lower hardness. Tensile tests showed that the transverse direction (X direction) specimens had slightly higher tensile strength than the deposition direction (Z direction) specimens. This study offers theoretical guidance for optimizing AFSD metal fabrication and provides data supporting the broader adoption of AFSD-fabricated 6061 aluminum alloys.https://www.mdpi.com/2075-4701/15/5/539AFSD technology6061 aluminum alloymicrostructuremechanical properties |
| spellingShingle | Han Gao Peng Dong Zhiwei Wei Microstructure and Properties of 6061 Aluminum Alloy by Additive Friction Stir Deposition Metals AFSD technology 6061 aluminum alloy microstructure mechanical properties |
| title | Microstructure and Properties of 6061 Aluminum Alloy by Additive Friction Stir Deposition |
| title_full | Microstructure and Properties of 6061 Aluminum Alloy by Additive Friction Stir Deposition |
| title_fullStr | Microstructure and Properties of 6061 Aluminum Alloy by Additive Friction Stir Deposition |
| title_full_unstemmed | Microstructure and Properties of 6061 Aluminum Alloy by Additive Friction Stir Deposition |
| title_short | Microstructure and Properties of 6061 Aluminum Alloy by Additive Friction Stir Deposition |
| title_sort | microstructure and properties of 6061 aluminum alloy by additive friction stir deposition |
| topic | AFSD technology 6061 aluminum alloy microstructure mechanical properties |
| url | https://www.mdpi.com/2075-4701/15/5/539 |
| work_keys_str_mv | AT hangao microstructureandpropertiesof6061aluminumalloybyadditivefrictionstirdeposition AT pengdong microstructureandpropertiesof6061aluminumalloybyadditivefrictionstirdeposition AT zhiweiwei microstructureandpropertiesof6061aluminumalloybyadditivefrictionstirdeposition |