| 简介 |
The present invention is provided with a quenched alloy for rare earth magnet and a manufacturing method of rare earth magnet, it comprises R 2 T 14 B main phase, R is selected from at least one rare earth element including Nd, wherein the average grain diameter of the main phase in the brachyaxis direction is in a range of 10-15µm, the average interval of the Nd rich phase is in a range of 1.0-3.5µm. In the fine powder of the above mentioned quenched alloy, the number of magnet domain of single grain decreases that it is easier for external magnetic field orientation to obtain high performance magnet, and the squareness, coercivity and the thermal resistance of the magnet are sufficiently improved. |
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