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:2002-12-2:2003-02-24:(1954-),,,,,(,330029):,,70120nm,,600,,2030nm,,:-;;:TB383:A:1008-5548(2003)03-0025-03SynthesisofTungstenNano2particleswithSodiumTungstateZENGXiao2shu,HANLi2fen,LIUWen(SchoolofMechanicalandElectronic,NanchangUniversity,Nanchang,330029,China)Abstract:Thetungstenoxidenanoscaleparticlesaresynthesizedrespectivelybytwodifferentchemicalmethods.BothofthenanoparticlesareobservedbyTEM.Theresultsshowthatthenanoparticlesmadebythefirstmethodovermentionedrangefrom70120nmandthefinernanoparticlecanbesynthesizedifthesecondmethodovermentionedisusedtomaketungstenoxidenanoparticles.Thetungstenoxideparticleisreducedundertheatmosphereofhydrogenandcarbonat600toobtainnanoscaletungstenpowders.Comparedtotungstenoxidenanoparticles,thetungstennano2particlessizesrangefrom20nmto30nm.Thegrowingspeedoftungstennano2particlesisslowunderthecondition.Keywords:sol-gelmethod;tungstennano2particles;sodiumtungstate,,,,,,,,-,-,,:(1),;(2),,,(2)(1),,(1)[1][2][35]-[6][7],,,,1(1):-,,160,600,,(CMC),;,,,160,600;,(2)30%9320036ChinaPowderScienceandTechnologyVol.9No.3June2003;;CMC(3):Na2WO4+HCl+H2OWO3nH2O+NaCl(1)H2WO4600WO2+WO3+H2O(2)WO2+2H2850W+2H2O(3)WO3+3H2850W+3H2O(4)(4):36%38%,25%,30%,,,,,pH1,,6h,,5120,6008gCMC,,,36%38%,25%,25%CMC30%,,,,,pH1,,,6h,,5120,6002,H2WO4,H2WO4xH2O1,815nm,,,,2,70120nm12,,49,1TEM(100000)2(40000)34CMC,32030nm,1,CMC,,,CMCCMC,,,,62NanometerMaterialsandNanotechnelogyChinaPowderScienceandTechnology2003No.33CMC,(80000)4600(100000)4,,10nm,,,,,2030nm,3,,,,700,3(1),(2)(3)700,:[1],,,.ZrO2[J]1,1994,25(3):258-263.[2],,,1SiC[J]1,1996,11(3):441-447.[3],,1[J]1,1993,2(5):32-37.[4],,,1[J]1,1994,9(3):365-370.[5],,1YSZ[J]1,1989,17(5):417-425.[6]GaoL,KearBH.SynthesisofnanophaseWandWCpowdersfromammoniummetatungstate,TungstenRefract[A].ProcIntConf3d[C].1995.247-256.[7]BerntCC,KarthikeyanJ,ChraskaT,etal.Plasmaspraysynthesisofnanozirconiapowder[A].ProcoftheJointNSF2NISTConfonNanoparticles[C],19971438-447.,8,,,,,,,,,,,,47220033