全高丰度稀土(Ce, La, Y)-Fe-B永磁的研究现状和未来发展

刘仲武, 周帮, 廖雪峰, 何家毅

Research Status and Future Development of (Ce, La, Y)-Fe-B Permanent Magnets Based on Full High-Abundance Rare Earth Elements

LIU Zhongwu, ZHOU Bang, LIAO Xuefeng, HE Jiayi

图2 Nd-Fe-B和Ce-Fe-B相组分示意图，快淬Ce16Fe78B6合金在300和77 K时57Fe的Mössbauer谱以及合金在室温下的微观结构[17]

Fig.2 Schematic drawing of the Nd-Fe-B and Ce-Fe-B phase components (a), 57Fe Mössbauer spectra of the melt-spun Ce16Fe78B6 alloy measured at 300 and 77 K[17] (b), TEM image and corresponding selected area diffraction (SAED) pattern (inset) for the melt-spun Ce16Fe78B6 alloy (c), and the HRTEM image for selected area 1 in Fig.2c[17] (d) (GB—grain boundary phase; d—interplanar distance, nm)