Regulating element distribution to improve magnetic properties of sintered Nd–Fe–B/Tb–Fe

Regulating element distribution to improve magnetic properties of sintered Nd–Fe–B/Tb–Fe–B composite magnets

Li Zhu-Bai^{1, 2, †}, Zuo Jing-Yan¹, Wang Dong-Shan², Liu Fei^{1, 2}, Zhang Xue-Feng^{1, 2}

The surface micromorphology of the sintered magnets of (a) Nd_13.2Fe_80.8B₆/Tb₁₇Fe₇₅B₈, (b) Nd_12.7Fe_81.3B₆/Tb₁₇Fe₇₅B₈, (c) Nd_12.2Fe_81.8B₆/Tb₁₇Fe₇₅B₈, and (d) Nd_11.7Fe_82.3B₆/Tb₁₇Fe₇₅B₈.