Bulk Mn-Al-C permanent magnets prepared by various techniques
| Author(s) | Madugundo, Rajasekhar | |
| Author(s) | Koylu-Alkan, Ozlem | |
| Author(s) | Hadjipanayis, George C. | |
| Ordered Author | Rajasekhar Madugundo, Ozlem Koylu-Alkan, and George C. Hadjipanayis | |
| UD Author | Madugundo, Rajasekhar | en_US |
| UD Author | Koylu-Alkan, Ozlem | en_US |
| UD Author | Hadjipanayis, George C. | en_US |
| Date Accessioned | 2016-05-12T14:22:47Z | |
| Date Available | 2016-05-12T14:22:47Z | |
| Copyright Date | Copyright © 2016 Author(s). | en_US |
| Publication Date | 2016-03-01 | |
| Description | Publisher's PDF. | en_US |
| Abstract | Bulk Mn-Al-C magnets have been prepared by hot-compaction, microwave sintering and hot-deformation. Powders of Mn53.5Al44.5C2 alloy in the ε-phase produced by high energy ball milling have been used as precursor for the hot-compacted and microwave sintered magnets. Hot-deformed magnets were produced from alloy pieces in the τ-phase. The hot-compacted magnet exhibits magnetization, remanence and coercivity of 50 emu/g, 28 emu/g and 3.3 kOe, respectively. Microwave sintered magnet shows a maximum magnetization of 94 emu/g, remanence of 30 emu/g and coercivity of 1.1 kOe. The best magnetic properties are obtained in hot-deformed magnets with magnetization, remanence, coercivity and energy product of 82 emu/g, 50 emu/g, 2.2 kOe and 1.8 MGOe, respectively. Hot-deformed magnets exhibit texture with the highest degree of texture obtained 0.26. It is found that the pressure applied during compaction/deformation favors coercivity. | en_US |
| Department | University of Delaware. Department of Physics and Astronomy. | en_US |
| Citation | Bulk Mn-Al-C permanent magnets prepared by various techniques Madugundo, Rajasekhar and Koylu-Alkan, Ozlem and Hadjipanayis, George C., AIP Advances, 6, 056009 (2016), DOI:http://dx.doi.org/10.1063/1.4943242 | en_US |
| DOI | 10.1063/1.4943242 | en_US |
| ISSN | 2158-3226 | en_US |
| URL | http://udspace.udel.edu/handle/19716/17705 | |
| Language | en_US | en_US |
| Publisher | AIP Publishing | en_US |
| dc.rights | Creative Commons Attribution 3.0 Unported License | en_US |
| dc.source | AIP Advances | en_US |
| dc.source.uri | http://scitation.aip.org/content/aip/journal/adva | en_US |
| Title | Bulk Mn-Al-C permanent magnets prepared by various techniques | en_US |
| Type | Article | en_US |
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