| 简介 |
An R-T-B-based rare earth sintered magnet comprising : a rare earth element R, B, a metallic element M which includes one or more metals selected from Al, Ga and Cu, a transition metal T which includes Fe as a main component and inevitable impurities, wherein the sintered magnet includes : 13 to 15.5 atom % of R, 5.0 to 6.0 atom % of B, 0.1 to 2.4 atom % of M, and T and the inevitable impurities as a balance, and wherein the sintered magnet includes more than 0 atom % and 0.01 atom % or less of Tb as the rare earth element R. |
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