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5 (Ce, La, Y)17Fe78B6合金与其他RE-Fe-B合金在磁性能[17,21~23,37,38,40,42~46,55~64]、性价比以及腐蚀性能[28,65~70]方面的对比

Fig.5 Comparisons of Hcj and (BH)max (a), and values of α and β (b) of the as-spun (Ce, La, Y)17Fe78B6 alloys with reported Ce or Nd-based RE-Fe-B alloys[17,21-23,37,38,40,42-46,55-64]; comparison of the cost performance for as-spun (Ce, La, Y)17Fe78B6 alloys with commercial isotropic magnetic powders (c) and comparison of corrosion resistance (d) of RE-based permanent magnets[28,65-70] (Ecorr—self corrosion potential, icorr—self corrosion current density)