Effect of Al content of Nd-Fe-B sintered magnet on grain boundary diffusion process of Tb coating

•Different Al contents in the sintered Nd-Fe-B have a significant effect on the coercivity of Tb grain boundary diffusion magnets.•Compared to magnets with different Al contents is more likely to replace Nd in the grains in the main phase.•The presence of the Nd6Fe11Al3 and Nd (Fe, Al)2 hinders the...

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Veröffentlicht in:	Journal of magnetism and magnetic materials 2022-08, Vol.556, p.169429, Article 169429
Hauptverfasser:	Diao, Shulin, Luo, Yang, Yan, Wenlong, Peng, Haijun, Dong, Yi, Yi, Haibo, Wu, Shujie, Zhang, Shuai, Yu, Dunbo
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum Coercivity Copper Core-shell structure Diffusion coating Ferrous alloys Grain boundaries Grain boundary diffusion Grain boundary diffusion process Grains Heat treating Iron Magnet Magnetic materials Magnetic properties Magnets Microstructure Mu phase Nd-Fe-B Neodymium Thickness
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