Abstract

Some progress of research on bonded Nd-Fe-B magnets in National University of Defense Technology(NUDT) is presented in this paper. The contents include B-rich R 2Fe 14B-based nano composite with good performance; a model to determine of the least amount of binder; resin for high temperature application; resin encapsulating magnetic powders for long-term storage; thermoplastic polymer used for mold-pressing magnets; hybrid bonded Nd-Fe-B/Sm 2Co 17 magnet with a potentially useful improvements in remanence and magnetic energy product.

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