| 简介 |
This rare earth magnet contains Sm, Fe and N, and contains Me and B as additive elements, wherein Me is at least one element selected from groups 4, 5 and 6 of the periodic table. The rare earth magnet has a nanocomposite structure that includes a Fe phase, an SmFeN phase and an MeB phase; of an Sm2Fe17Nx phase and an SmFe9Ny phase, the SmFeN phase includes at least the Sm2Fe17Nx phase, the volumetric ratio of SmFe9Ny phase in the structure is 65 vol% or less, the atomic ratio of the total content of Me and B relative to the total amount of Sm, Fe, Me and B is 0.1-5.0 atom%, and the atomic ratio of Fe in all phases of the compound containing at least one of Me and B is less than or equal to 20 atom%. |
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