Journal
SCRIPTA MATERIALIA
Volume 78-79, Issue -, Pages 37-40Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2014.01.026
Keywords
High temperature deformation; Grain boundary sliding; Permanent magnet; Texture; Grain growth
Categories
Funding
- MEXT, Japan
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The effect of pre-straining at and below 823 K prior to hot forging at 973 K on the magnetic properties of hot-deformed Nd-Fe-B magnets was examined. Nd-Fe-B alloys prepared in this study could be hot-forged, even at 723 K. Both the squareness and the coercivity of the magnetization curves at room temperature were improved by pre-straining at 773 K or below, owing to the suppression of the formation of non-aligned coarse Nd2Fe14B grains. (C) 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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