简介:ThearticlewasextractedfromNewMaterialsIndustryRareearthpermanentmagneticmaterialsheadedbySm-CoandNdFeBhavethehighestmagneticpropertyamongallotherpermanentmagneticmaterialstoday.Theyarewidelyusedinmanyfieldsofnationaleconomysuchasinformation&communications,electronics,medicalequipment