METHOD FOR PRODUCING OF EARTH PERMANENT MAGNET

文件类型：PDF文档
文件大小：1031K
Disclosed is a method of producing a rare earth permanent magnet, comprising : obtaining a NdFeB sintered magnet; applying a mixed powder including a Zn-containing metal and a metal compound containing Tb or Dy onto a surface of the sintered magnet; and heat-treating the sintered magnet having the mixed powder applied on its surface.