软磁材料的发展趋势

26JMagnMaterDevicesVol34No312,333(131003423221183322118TM271+.2A1001-3830(2003)03-0026-04DevelopingTendencyofSoftMagneticMaterialsLIUYa-pi1,2,HEShi-jin3,BAODa-xin3,RENXu-yu31.DepartmentofAppliedPhysics,ChinaInstituteofMetrology,Hangzhou310034,China;2.PostdoctorR&Dstation,DongyangMagneticEnterpriseGroupCo.,Dongyang322118,China;3.CentralInstitution,DongyangMagneticEnterpriseGroupCo.,Dongyang322118,ChinaAbstractThedevelopmentofsoftmagneticmaterialshasexperiencedseveralstagesasmetal,ferrite,amorphous,nano-crystalline,andnano-structuredgranularsoftmagneticmaterials.Basedonthesyntheticalanalysisofthehistoryanddevelopmenttendencyofsoftmagneticmaterials,thedevelopmenttendencyofsoftmagneticmaterialsinfuturewaspredicted.Keywordssoftmagneticmaterial;softferritematerials;nano-cyrstallinesoftmagneticmaterial;[e-mail]1mHcPc((permalloy)(sendust)FeFe-SiFe-AlFe-NiFeSiAlFeCoFeCr)(MnZnNiZnMgZn)(FeCo)2003627(Finemet)BsBsHcFeBsFeNiμCols2030Philip(Snoek)1935()(200MHz2GHz)MnZnNiZnMgZnBs1/45080(Fe-Si)193566()ITK1lsHcDHc∝D11970Fe-Si-B1988Bs(Fe-Cu-Nb-Si-B)DHcDHc∝D6D90FeCoNiFe1988HitachiMetalsLaboratory(Yoshizawa)[1]FeCuNbSiBFinemetK1lsBsmPcBs=1.30Tm~105Tc=570ls≈030kHz2kW300g1/596%0.250%2050kHz10kW28JMagnMaterDevicesVol34No3(90%)()12MHz1025W()SrMfgpm31)1(=-′frm′gMs)1(-′mrfMsMsMsFeMCM=Zr,Hf,Nb10MHzMHz1GHz--1000μΩcm10Gbit/in2Fe-(Co)-M-OM=Hf,Zr,Ti,V,Nb,Y,Cr,W,B,Al,Ce,Nd,Dy,-MHz100MHz15-(Fe,Co)-(B,Si,Hf,Zr,Al,Mg)-(F,O,N)[2]MHz1GHzFe-M-BM=Zr,Hf,NbBs1.7TFe/FeHfCBsm500kHzTDKPC50212()(AC-DCDC-AC)60%2003629mi≥2000TcdBsPcmi≥12000dtand/miΔf-ΔL()PhilipsSiemensTDKTOKINFDKMnZn1996W.G.HartM.J.Ruthner[3]60%MnZn10~15%200030mi≥15000D≈40μmmiMnZnK1ls()FeFe-NiFe-Ni-MoNi(5080%)FeSiAlFe-CrFe-CoFeCuNbSiBPFC3232JMagnMaterDevicesVol34No3CuOBi2O36%PVA10wt%9301Fe2O368.7mol%BaCO321.0mol%Co3O410.3mol%1300Z2Z5wt%CuO5wt%Bi2O3Ag93035wt%CuO5wt%Bi2O3Co2Zm′3.61.75GHz4930Co2Z16082.51.4GHzCo2Z[6]Bi2O3900Co2Z(Z)CoZ930m′4Co2Z870m′=5920m′6Co2ZGHz[1],.(),2002,49(2):7786.[2]Sekiguchi.DigestsofInternalianaConferenceonFerrite,SatelliteConferenceinTokyoJapan,Sept25-27,2000.[3]YueZX,etal.JMagnMagnMater,2000,208(12):55-60.[4],.(),2001,48(2):126-130.[5],.(),2002,49(2):124-128.[6]ZhangHG,etal.IEEETransMagn,2002,38(4):1797-1802.*****************************************************************************************29BsmTcPcHc1032030708090[1]YoshizawaY,OgumaS,YamaauchiK.JApplPhys,1988,64:6044.[2],2000,7(2):38.[3]RuthnerMJ,ICF-7(1996).196719882000