| 简介 |
A rare earth sintered magnet which has a main phase containing an R2T14B type compound phase and contains 27 to 32 mass % of R (at least one rare earth element which is selected from the group consisting of Nd, Pr, Tb and Dy and contains at least one of Nd and Pr), 60 to 73 mass % of T (Fe or a mixture of Fe and Co), 0.85 to 0.98 mass % of Q (B or a mixture of B and C, and, in the calculation of mass %, C is converted to B based on the number of atoms), more than 0 and not more than 0.3 mass % of Zr, 2.0 mass % or less of an added element M (at least one element selected from the group consisting of Al, Cu, Ga, In and Sn) and inevitable impurities. |
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