Improvement in coercivity, thermal stability, and corrosion resistance of sintered Nd–Fe–B magnets with Dy<sub>80</sub>Ga<sub>20</sub> intergranular addition

Improvement in coercivity, thermal stability, and corrosion resistance of sintered Nd–Fe–B magnets with Dy₈₀Ga₂₀ intergranular addition

Zhou Beibei¹, Li Xiangbin¹, Cao Xuejing¹, Yan Gaolin^{1, †,}, Yan Aru²

EPMA back-scattered images of (a) the starting magnet, (b) the magnet with 2 wt.% Dy₈₀Ga₂₀, and (c) the magnet with 4 wt.% Dy₈₀Ga₂₀.