PNNZT三元系壓電陶瓷的B位氧化物制備工藝和性能研究.pdf

1、天津大學(xué)碩士學(xué)位論文PNNZT三元系壓電陶瓷的B位氧化物制備工藝和性能研究姓名：孔德錢申請學(xué)位級別：碩士專業(yè)：材料學(xué)指導(dǎo)教師：孫清池201006ABSTRACTABsiteoxideprecurS0rprocessingforsynthesizingleadnickelniobateleadzirconatetitanate(02Pb(Nil，3Nb2，3)0308Pb(Zr，Ti)03，PNN—PZDsoIidsolutionsisi

2、nvitcdThecalcinationtemperaturcoftheBsiteoxidePrecurSorisoptimizedThee能ctofthesintcringtempe眥urc鋤dtheZ仉’iratioonthepropertiesofpiezoelectric，dielectric鋤delec仃omech鋤icalproperties、ⅣercinVestigatedTGD1’A鋤dXltDanalysiswercu

3、sedt0studythecalcinationtcmperatureoftheB—siteoxidep陀curSoLandthe佗sultshowsasinglephasecomponentwhencalcinedatl355℃’I’hen，purcper0Vskiteceramicswercobtainedbymixingwithf’bO鯽dwithoutthef0咖ationofpyrochlo他pha∞nee艉Ctofthesi

4、nteringtempe咖re鋤dtheZ仉1ratio冊thepiezoelec仃ic，dielec仃ic舳delec仃0mechanicalpropenieso九hePNNPZTceramicswe陀inveStigatedthroughperf0m1鋤cescomparisonAndtherelationshipbetv舊en咖ctu佗鋤dpe巾ortieswerediscussedbasedonXRD鋤dSEM鋤aIysisⅥ，

5、hentheBsiteoxideprecursorwascalcinedat1355℃，tIlePNNPZTce舢icssintercdat1220℃withZ胛iequalst050／50exhibitcdexcelIentpropertiesFurthe咖。他，t11eph私est鄺ctu他鋤dpropertiesofO5Pb(Nil，3Nb∽)03O5Pb(Zrxlri(1x))03鋤dtheZ胛icloset0tllemo呻。仃

6、opicpha∞bounda叫(MPB)we佗iIlVestigatedAsaresult，itsupposedthatt11ecemmic’srhombohedralph酗e仇msitint0tetragonalg豫duallywithtlleincreaseof啊taniacomponent；Thepiezoelectricconstantandcurietempe啪reincrcasedremalkablywiththedecre