[S5] Element strategy for high performance permanent magnets 7 - Fundamental and basic research toward next-generation novel materials -(1)

[S5.5] The role of grain boundary magnetism in the temperature-dependent coercivity of Nd-Fe-B magnet

*Li Jiangnan¹, Tang Xin¹, Sepehri-Amin Hossein¹, Ohkubo Tadakatsu¹, Hono Kazuhiro¹, Hioki Keiko², Hattori A.² (1. CMSM-NIMS、2. Daido Steel Co., Ltd)

Keywords:Nd-Fe-B magnet、temperature-dependent coercivity、temperature coefficient of coercivity、grain boundary

In this work combining experiment and simulation, we explored the underlying physics of temperature dependence of magnet coercivity.