High-efficient selected area grain boundary diffusion for enhancing the coercivity of thick Nd-Fe-B magnets

Grain boundary diffusion (GBD) is an effective approach for improving the coercivity of Nd-Fe-B magnets with less heavy rare earth consumption. However, it generally only works well for thin magnets since the infiltration depth of diffusion source is limited. Here, a GBD approach that mainly diffuse...

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Veröffentlicht in:	Applied physics letters 2022-01, Vol.120 (4)
Hauptverfasser:	He, Jiayi, Song, Wenyue, Liu, Xiangyi, Yu, Hongya, Zhong, Xichun, Liu, Zhongwu
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum base alloys Applied physics Coercivity Copper Diffusion Ferrous alloys Grain boundaries Grain boundary diffusion Magnetic materials Magnets Neodymium Nucleation Remanence
Online-Zugang:	Volltext
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