摘要 |
A nanocomposite permanent magnet and method of producing same, wherein the magnet includes a complex of: (1) crystalline RxFebalBz- delta M delta or RxFebalCoyBz- delta M delta forming grains within the magnet, wherein R is at least one of rare earth elements, M is selected from the group consisting of Ba, Ca, Mg, Sr, Be, Bi, Cd, Co, Ga, Ge, Hf, In, Al, Si, Mn, Mo, Re, Se, Ta, Nb, Te, Tl, Ti, W, Zr and V, wherein x=0-0.3, y=0-0.3, z=0-0.1 and delta =0-0.01, and wherein Fe, B and R are at least present; and (2) a non-magnetic rare earth oxide compound which is located at the grain boundaries and within the grains of the crystalline RxFebal Bz- delta M delta or RxFebalCoyBz- delta M delta . |