Conference Paper/Proceeding/Abstract 1013 views 172 downloads
Effect of Ultrasonication on the Solidification Microstructure in Al and Mg-Alloys
Data Mining, Volume: 996
Swansea University Author: Amit Das
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DOI (Published version): 10.1007/978-3-030-05864-7_201
Abstract
Solidification microstructures formed under high-intensity ultrasonication are systematically investigated in various Al and Mg-alloys. The range of microstructures examined include primary grain structure, intermetallic compounds (IMCs), regular and irregular eutectics. Extensive grain refinement i...
Published in: | Data Mining |
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ISBN: | 978-981-13-6660-4 978-981-13-6661-1 |
ISSN: | 1865-0929 1865-0937 |
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Springer, Cham
2019
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URI: | https://cronfa.swan.ac.uk/Record/cronfa48977 |
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2019-06-07T14:19:38.1239579 v2 48977 2019-02-26 Effect of Ultrasonication on the Solidification Microstructure in Al and Mg-Alloys 4d785df766daed9a857c934bb130ed8b 0000-0002-7196-6254 Amit Das Amit Das true false 2019-02-26 MTLS Solidification microstructures formed under high-intensity ultrasonication are systematically investigated in various Al and Mg-alloys. The range of microstructures examined include primary grain structure, intermetallic compounds (IMCs), regular and irregular eutectics. Extensive grain refinement is observed in all alloys, especially in the areas of cavitation, further facilitated by the presence of solute. Heat treatability of the ultrasonicated alloys is enhanced as the fine-grained microstructure reduced diffusion distance. Regular lamellar eutectic microstructure is observed to degenerate under cavitation. Irregular eutectic and IMCs are modified from coarse plates or complex morphology into compact polygonal shape. Result suggests that ultrasonication increases nucleating particles and potency of nucleants. The modification of eutectic and IMCs predominantly occurs through coarsening and spheroidisation in the area of intense cavitation. While grain refinement effect is noticed in the entire ingots assisted by acoustic streaming, eutectic modification effect dissipates rapidly outside the area of cavitation. Conference Paper/Proceeding/Abstract Data Mining 996 1595 Springer, Cham 978-981-13-6660-4 978-981-13-6661-1 1865-0929 1865-0937 10 3 2019 2019-03-10 10.1007/978-3-030-05864-7_201 Part of the The Minerals, Metals & Materials Series book series (MMMS) COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2019-06-07T14:19:38.1239579 2019-02-26T11:58:15.3506271 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering X. Zhang 1 H. R. Kotadia 2 J. Depner 3 M. Qian 4 A. Das 5 Amit Das 0000-0002-7196-6254 6 0048977-14032019092033.pdf 48977.pdf 2019-03-14T09:20:33.0930000 Output 610943 application/pdf Accepted Manuscript true 2020-02-16T00:00:00.0000000 true eng |
title |
Effect of Ultrasonication on the Solidification Microstructure in Al and Mg-Alloys |
spellingShingle |
Effect of Ultrasonication on the Solidification Microstructure in Al and Mg-Alloys Amit Das |
title_short |
Effect of Ultrasonication on the Solidification Microstructure in Al and Mg-Alloys |
title_full |
Effect of Ultrasonication on the Solidification Microstructure in Al and Mg-Alloys |
title_fullStr |
Effect of Ultrasonication on the Solidification Microstructure in Al and Mg-Alloys |
title_full_unstemmed |
Effect of Ultrasonication on the Solidification Microstructure in Al and Mg-Alloys |
title_sort |
Effect of Ultrasonication on the Solidification Microstructure in Al and Mg-Alloys |
author_id_str_mv |
4d785df766daed9a857c934bb130ed8b |
author_id_fullname_str_mv |
4d785df766daed9a857c934bb130ed8b_***_Amit Das |
author |
Amit Das |
author2 |
X. Zhang H. R. Kotadia J. Depner M. Qian A. Das Amit Das |
format |
Conference Paper/Proceeding/Abstract |
container_title |
Data Mining |
container_volume |
996 |
publishDate |
2019 |
institution |
Swansea University |
isbn |
978-981-13-6660-4 978-981-13-6661-1 |
issn |
1865-0929 1865-0937 |
doi_str_mv |
10.1007/978-3-030-05864-7_201 |
publisher |
Springer, Cham |
college_str |
Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
department_str |
School of Engineering and Applied Sciences - Materials Science and Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Materials Science and Engineering |
document_store_str |
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active_str |
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description |
Solidification microstructures formed under high-intensity ultrasonication are systematically investigated in various Al and Mg-alloys. The range of microstructures examined include primary grain structure, intermetallic compounds (IMCs), regular and irregular eutectics. Extensive grain refinement is observed in all alloys, especially in the areas of cavitation, further facilitated by the presence of solute. Heat treatability of the ultrasonicated alloys is enhanced as the fine-grained microstructure reduced diffusion distance. Regular lamellar eutectic microstructure is observed to degenerate under cavitation. Irregular eutectic and IMCs are modified from coarse plates or complex morphology into compact polygonal shape. Result suggests that ultrasonication increases nucleating particles and potency of nucleants. The modification of eutectic and IMCs predominantly occurs through coarsening and spheroidisation in the area of intense cavitation. While grain refinement effect is noticed in the entire ingots assisted by acoustic streaming, eutectic modification effect dissipates rapidly outside the area of cavitation. |
published_date |
2019-03-10T03:59:41Z |
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1763753047279796224 |
score |
11.016235 |