| 简介 |
The present invention is directed to a method for preparing a permanent magnet, and more specifically, to a method for preparing a high-performance sintered Nd—Fe—B permanent magnet, in order to solve the problems of increased brittleness or high cost present in the permanent magnet prepared by the existing process. A method for preparing a sintered Nd—Fe—B permanent magnet includes the step of ingredient calculation and raw material preparation including calculating ingredients and preparing raw materials according to the ingredient formula of the resultantly sintered Nd—Fe—B permanent magnet, and dividing the raw materials into a rare earth Fe—B compound and rare earth metals. |
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