| 简介 |
A method for producing a rare earth sintered magnet using a low melting point element according to the present invention comprises a step of heating R-Fe-B based magnet powder, wherein R is a rare earth element or a combination of rare earth elements, and generating a sintered magnet; a step of coating the surface of the sintered magnet with a coating solution manufactured by mixing heavy rare earth powder and low melting point element powder with a solvent; and a step of performing heat treatment on the coated sintered magnet. So, the coercive force of the sintered magnet can be improved.(AA) Start(BB) End(S110) Heating R-Fe-B based magnet powder, and generating a sintered magnet(S120) Manufacturing a coating solution by mixing a rare earth compound, alloy powder, and low melting point element powder with a solvent(S130) Coating the surface of the sintered magnet with the manufactured coating solution(S140) Performing heat treatment on the coated sintered magnetCOPYRIGHT KIPO 2017 |
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