A study on the Nd-rich phase evolution in the Nd–Fe–B sintered magnet and its mechanism during post-sintering annealing

► No Nd-rich grain boundary phase from the Dy segregated Nd-rich phase. ► Formation of the Dy segregated Nd-rich phase should be reduced for the Dy saving. ► Cu-enriched C-Nd2O3 triple junction and grain boundary phases are formed during the 2nd post-sintering annealing. ► Cu-segregation stabilized...

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Bibliographic Details

Published in:	Journal of alloys and compounds 2012-10, Vol.537, p.261-268
Main Authors:	Kim, Tae-Hoon, Lee, Seong-Rae, Namkumg, Seok, Jang, Tae-Suk
Format:	Article
Language:	English
Subjects:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Magnetic properties and materials Magnetization Microstructure Permanent magnets Physics Powder metallurgy Rare-earth alloys and compounds Studies of specific magnetic materials Transmission electron microscopy (TEM)
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