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

Irreversible loss of magnetic flux in magnets with different amounts of Dy₈₀Ga₂₀ after being exposed at 20 °C, 60 °C, 80 °C, 120 °C, and 150 °C for 2 h.