Effect of annealing temperature on coercivity of Nd–Fe–B magnets with TbFeAl doping by process of hot-pressing

Shu Ze-Teng^{1, 2}, Zheng Bo^{2, †}, Ding Guang-Fei², Liao Shi-Cong², Di Jing-Hui², Guo Shuai^{2, ‡}, Chen Ren-Jie², Yan A-Ru², Shi Lei¹

(a) Linear fitting curves of H_cj/M_s and H_a/M_s of HPP magnets annealed at 900 °C, 1000 °C, 1030 °C, and 1060 °C. (b) Curves of the coercivity of HPP magnets versus temperature.