NdFeBperanentmagnetdescription:Atpresent,SinteredNdFeBisoneofthestrongestmagnetmaterials***ailable.Itcontributestothedevelopmentofmany***allandflatmotorsusedinthehigh-techishighresidualinduction(Br),highintrinsicCoerciveforce(Hcj)andhighEnergyProduct(BH),andiseasilyformedintovarioussizes,shapes.Sotheyh***ebeenwidelyusedincommercially***ailablefieldssincethemid1980's.makesitsuitableforservomotors,diskbrushlessmotors,steppingmotors,ITindustry,MRI,andaudioproducts.ForNdFeB,NdFeBMagentsarepronetocorrosioninhumidenvironments,Itusuallyneedsurfacetreatmentaccordingtocustomer'srequirementstoprotectmagnet.ThesurfacetreatmentmethodincludeZine,Nickel,Tin,Silver,Goldplating,PhosphorandSprayEpoxyResinetc)