The microstructure and corrosion characteristic of Al-10 wt%RE (Re= Ce, Nd, La, Y) binary aluminum alloys in natural seawater
This study presented a thorough investigation into the microstructure, precipitated phases, and corrosion resistance of Al-10 wt%Ce, Al-10 wt%Nd, Al-10 wt%La, and Al-10 wt%Y binary alloys when exposed to natural seawater. The microstructural analysis, conducted using optical microscopy, scanning ele...
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Elsevier
2024-11-01
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| Series: | Journal of Materials Research and Technology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785424025353 |
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| author | Rui Xie Quantong Jiang Chang Liu Xinhe Wu Yahui Geng Jizhou Duan Baorong Hou |
| author_facet | Rui Xie Quantong Jiang Chang Liu Xinhe Wu Yahui Geng Jizhou Duan Baorong Hou |
| author_sort | Rui Xie |
| collection | DOAJ |
| description | This study presented a thorough investigation into the microstructure, precipitated phases, and corrosion resistance of Al-10 wt%Ce, Al-10 wt%Nd, Al-10 wt%La, and Al-10 wt%Y binary alloys when exposed to natural seawater. The microstructural analysis, conducted using optical microscopy, scanning electron microscopy (SEM), X-ray diffraction (XRD), and transmission electron microscopy (TEM), revealed the presence of distinct precipitated phases. The distinct precipitated phases Al3Ce, Al3Nd, Al11La3, and Al3Y, respectively, have different morphologies and are expected to influence the corrosion resistance. The corrosion behavior of these alloys was evaluated through natural seawater immersion tests and electrochemical experiments, which demonstrated varying degrees of corrosion resistance. The average corrosion mass loss rates and average corrosion depths of the alloys in natural seawater were found to follow the order: Al–Y < Al–Ce < Al–La < Al–Nd. Theoretical explanations for the experimental outcomes were provided by analyzing the different types of precipitates, the electronic structures, and the crystallographic structures of the rare earth elements involved. This research contributes valuable theoretical and empirical data, supporting the application of rare earth aluminum alloys in structural materials for marine equipment. |
| format | Article |
| id | doaj-art-54a887b7b46e4b88a1c84bf4fe3e181e |
| institution | Kabale University |
| issn | 2238-7854 |
| language | English |
| publishDate | 2024-11-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj-art-54a887b7b46e4b88a1c84bf4fe3e181e2024-12-26T08:55:14ZengElsevierJournal of Materials Research and Technology2238-78542024-11-013364086421The microstructure and corrosion characteristic of Al-10 wt%RE (Re= Ce, Nd, La, Y) binary aluminum alloys in natural seawaterRui Xie0Quantong Jiang1Chang Liu2Xinhe Wu3Yahui Geng4Jizhou Duan5Baorong Hou6School of Mechanical and Automotive Engineering, Qingdao University of Technology, No.777 Jialingjiang Road, Qingdao, 266520, China; Key Laboratory of Advanced Marine Materials, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao, 266071, China; Sanya Institute of Oceanology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Zhenzhou Road, Sanya, 572000, China; Laoshan Laboratory, No. 168 Wenhai Road, Qingdao, 266237, ChinaSchool of Mechanical and Automotive Engineering, Qingdao University of Technology, No.777 Jialingjiang Road, Qingdao, 266520, China; Key Laboratory of Advanced Marine Materials, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao, 266071, China; Sanya Institute of Oceanology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Zhenzhou Road, Sanya, 572000, China; Laoshan Laboratory, No. 168 Wenhai Road, Qingdao, 266237, China; Corresponding author. School of Mechanical and Automotive Engineering, Qingdao University of Technology, No.777 Jialingjiang Road, Qingdao, 266520, China.Key Laboratory of Advanced Marine Materials, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao, 266071, China; Sanya Institute of Oceanology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Zhenzhou Road, Sanya, 572000, China; Laoshan Laboratory, No. 168 Wenhai Road, Qingdao, 266237, ChinaKey Laboratory of Advanced Marine Materials, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao, 266071, China; Sanya Institute of Oceanology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Zhenzhou Road, Sanya, 572000, China; Laoshan Laboratory, No. 168 Wenhai Road, Qingdao, 266237, ChinaKey Laboratory of Advanced Marine Materials, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao, 266071, China; Sanya Institute of Oceanology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Zhenzhou Road, Sanya, 572000, China; Laoshan Laboratory, No. 168 Wenhai Road, Qingdao, 266237, ChinaSchool of Mechanical and Automotive Engineering, Qingdao University of Technology, No.777 Jialingjiang Road, Qingdao, 266520, China; Key Laboratory of Advanced Marine Materials, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao, 266071, China; Sanya Institute of Oceanology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Zhenzhou Road, Sanya, 572000, China; Laoshan Laboratory, No. 168 Wenhai Road, Qingdao, 266237, ChinaSchool of Mechanical and Automotive Engineering, Qingdao University of Technology, No.777 Jialingjiang Road, Qingdao, 266520, China; Key Laboratory of Advanced Marine Materials, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao, 266071, China; Sanya Institute of Oceanology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Zhenzhou Road, Sanya, 572000, China; Laoshan Laboratory, No. 168 Wenhai Road, Qingdao, 266237, ChinaThis study presented a thorough investigation into the microstructure, precipitated phases, and corrosion resistance of Al-10 wt%Ce, Al-10 wt%Nd, Al-10 wt%La, and Al-10 wt%Y binary alloys when exposed to natural seawater. The microstructural analysis, conducted using optical microscopy, scanning electron microscopy (SEM), X-ray diffraction (XRD), and transmission electron microscopy (TEM), revealed the presence of distinct precipitated phases. The distinct precipitated phases Al3Ce, Al3Nd, Al11La3, and Al3Y, respectively, have different morphologies and are expected to influence the corrosion resistance. The corrosion behavior of these alloys was evaluated through natural seawater immersion tests and electrochemical experiments, which demonstrated varying degrees of corrosion resistance. The average corrosion mass loss rates and average corrosion depths of the alloys in natural seawater were found to follow the order: Al–Y < Al–Ce < Al–La < Al–Nd. Theoretical explanations for the experimental outcomes were provided by analyzing the different types of precipitates, the electronic structures, and the crystallographic structures of the rare earth elements involved. This research contributes valuable theoretical and empirical data, supporting the application of rare earth aluminum alloys in structural materials for marine equipment.http://www.sciencedirect.com/science/article/pii/S2238785424025353Al-RE alloysMicrostructurePrecipitated phasesCorrosion characteristicNatural Seawater environment |
| spellingShingle | Rui Xie Quantong Jiang Chang Liu Xinhe Wu Yahui Geng Jizhou Duan Baorong Hou The microstructure and corrosion characteristic of Al-10 wt%RE (Re= Ce, Nd, La, Y) binary aluminum alloys in natural seawater Journal of Materials Research and Technology Al-RE alloys Microstructure Precipitated phases Corrosion characteristic Natural Seawater environment |
| title | The microstructure and corrosion characteristic of Al-10 wt%RE (Re= Ce, Nd, La, Y) binary aluminum alloys in natural seawater |
| title_full | The microstructure and corrosion characteristic of Al-10 wt%RE (Re= Ce, Nd, La, Y) binary aluminum alloys in natural seawater |
| title_fullStr | The microstructure and corrosion characteristic of Al-10 wt%RE (Re= Ce, Nd, La, Y) binary aluminum alloys in natural seawater |
| title_full_unstemmed | The microstructure and corrosion characteristic of Al-10 wt%RE (Re= Ce, Nd, La, Y) binary aluminum alloys in natural seawater |
| title_short | The microstructure and corrosion characteristic of Al-10 wt%RE (Re= Ce, Nd, La, Y) binary aluminum alloys in natural seawater |
| title_sort | microstructure and corrosion characteristic of al 10 wt re re ce nd la y binary aluminum alloys in natural seawater |
| topic | Al-RE alloys Microstructure Precipitated phases Corrosion characteristic Natural Seawater environment |
| url | http://www.sciencedirect.com/science/article/pii/S2238785424025353 |
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