High-energy product Nd-Fe-B permanent magnets
- 1 January 1984
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 44 (1), 148-149
- https://doi.org/10.1063/1.94584
Abstract
We have explored the hard magnetic properties of melt‐spun Nd‐Fe‐B alloys. A maximum energy product of 14.1 MG Oe has been observed, the highest value ever reported for a light rare earth‐iron material. X‐ray analyses indicate that the alloys exhibiting optimum characteristics are comprised of roughly spherical crystallites of an equilibrium Nd‐Fe‐B intermetallic phase. The observed grain sizes are in or near the estimated single‐domain range, suggesting that the coercivity arises principally from the formation of single‐domain particles.Keywords
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