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Title: | Understanding Fe-containing intermetallic compounds in Al alloys: An overview of recent advances from the LiME Research Hub |
Authors: | Que, Z Wang, Y Mendis, CL Fang, C Xia, J Zhou, X Fan, Z |
Keywords: | Fe-containing intermetallic compounds;Al alloys;nucleation;grain refinement;phase transformation;microstructure control |
Issue Date: | 6-Oct-2022 |
Publisher: | MDPI AG |
Citation: | Que, Z. et al. (2022) 'Understanding Fe-containing intermetallic compounds in Al alloys: An overview of recent advances from the LiME Research Hub', Metals, 12 (10), 1677, pp. 1 - 33. doi: 10.3390/met12101677. |
Abstract: | Copyright © 2022 The Authors. Control of Fe in Al alloys is a severe challenge for the full metal circulation to produce the recycled alloys with mechanical and physical performance as high as the primary alloys. The high restriction of Fe content is mainly due to the deterioration caused by the large-scale Fe-containing intermetallic compounds (FIMCs) in Al alloys. In this paper, recent knowledge gained regarding nucleation, formation, and technical developments on microstructural control and refinement of FIMCs are overviewed. Specific characteristics of the multiple types of FIMCs in Al alloys are presented in two- and three- dimensional (2D and 3D) form. Phase relationships between the FIMCs in different structures, such as primary phase, binary eutectic, and ternary eutectic, formed at different solidification stages are studied. Phase transformations between the FIMCs with or without intermediate phases during the solidification process are examined in different Al alloys, with the mechanisms being clarified. Various approaches to microstructural control of FIMCs are proposed and validated. Significant refinement of FIMCs has been achieved through inoculation of TiB2 particles that had been previously modified with deliberately interfacial segregation of desirable alloying elements, leading to the development of the novel “compositional templating” concept. |
Description: | Data Availability Statement: Not applicable. |
URI: | https://bura.brunel.ac.uk/handle/2438/25272 |
DOI: | https://doi.org/10.3390/met12101677 |
Other Identifiers: | 1677 ORCiD IDs: Changming Fang - https://orcid.org/0000-0003-0915-7453; Zhongyun Fan - https://orcid.org/0000-0003-4079-7336. |
Appears in Collections: | Brunel Centre for Advanced Solidification Technology (BCAST) |
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