全高丰度稀土<strong>(Ce, La, Y)-Fe-B</strong>永磁的研究现状和未来发展

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3 (La_{1 -}_x Y _x )₂Fe₁₄B快淬合金的XRD谱与微观结构^[28,35]

Fig.3 XRD spectra for the as-spun (La_{1 -}_x Y _x )₂Fe₁₄B alloys^[28] (a), bright field TEM image (b) and corresponding SAED (c) for the as-spun La₂Fe₁₄B alloy^[28], and bright field TEM image (d) and HRTEM image and corresponding fast Fourier transformation (inset) (e) for the as-spun Y₂Fe₁₄B alloy^[35]