抗還原鈦酸鋇基多層陶瓷電容器瓷料的研究.pdf

1、西南科技大學(xué)碩士學(xué)位論文抗還原鈦酸鋇基多層陶瓷電容器瓷料的研究姓名：齊曉敏申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：材料學(xué)指導(dǎo)教師：滕元成20080404西南科技大學(xué)碩士研究生學(xué)位論文第ll頁(yè)AbstractBasemetalelectrodehasbecomeasignificanttrendofthedevelopmentofmultilayerceramiccapacitors(MLCC)，therefore，itisakeytechniqueof

2、MLCCbasemetallizationtoprepareBaTi03basedreductionresistantceramicmedium，whichcanbecosinteredunderreducingatmospherewithNiinnerelectrodeThemate“a1【(BalxY，Cax，SrY)O]m(Tilz，Zrz)02(m=101，x=O04～015，y=O00～015，z=O01～O15)，which

3、hasbeensinteredunderreducingatmosphere，wasadoptedasthereductionresistantresearchobjectinthisstudyTestingmethodssuchasXRD、SEM、LCRandhighresistancemeterwereemployed，toexploringlyanalyzetheeffectsonthefeduction—resistantper

4、fonnanceofbariumtitanatebasedmediumbypreparationprocessandthedopedacceptorion，rareearthionBaC03、CaC03、SrC03、Ti02andZr02wereusedasrawmaterial，inordertosynthesizesolidsolutionas【(Bao8CaolSro1)o】1ol(Tio9ZroI)02bysolidstater

5、eactionTheeffectsofpreparationprocessonsolidsolutionwerestudied，whichshowsthatmillingfor9hours，pre—sinteringatl250℃andholdingfor30minutesarethepreferableprocessingconditiontoprepareBa’n03basedso“ds01utionC》rthogonaltestw

6、asemployedtostudytheeff色ctsondielect“cpropertiesofbariumtitanatebasedceramicbydifferentingredientsTheprimaryandsecondaryfactorstoaf艷ctdielectricpropertiesareasfollows：astoomtemperaturedielectricconstant，thedopedamountofC

7、a2ranksfirst，thenSr2，zr4；astoroomtemperaturedielectricloss，theeffectiVesequenceisCa2，zr4，sr2；inte咖softheinsulationresistance，theef琵ctivesequenceiszr4，Ca2，Sr2Also，afinebasesamplewithwellcomprehensivedielectricpropertieswa

8、sobtained：【(Bao82Cao08Sro1)O】1ol(Tio85Zro15)02，whoseleVelreachedasfollows：￡=8682，tan6=O72％，p=521011QcmSeveralconclusionsareattaineddu“ngthedopedandmodifiedstudyofreductionresistantceramicasfollows：thedopedamountofY203，C0