氧化锆系陶瓷材料的固相法制备及其性能表征

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1、分类号UDC密级——编号&埋三!绻a学位论文氢丝错丕陶瓷挝整的固揎洼圭9备盈墓蛙篚麦征．S———o——l—id-stateSynthesisandCharacterizationofZirconia--basedCeramicMaterials赵光好指导老师姓名：．屈堑本副塑援——直量太堂堡堂喧丝堂丕申请学位级别：堡堂亟±专业名称：玉扭些堂论文提交日期：!!Q§生§屈答辩日期：2QQ§箜§县学位授予单位和日期：直昌太堂2Q鱼§生§旦答辩委员会主席：釜乏芝评阅人：露丛聋生厶牡2006年5月日——一一．氧化锆系陶瓷材料的固相法制备及其性能表征—————————————————————————

2、—————————————————————————二二—_二—二二二—二二．ABSTRACT一-●‘。。-Zirconiumoxideandltscompositeoxideshavegoodphysicalcapabilitiesandchemicalproperties，Zirconia—basedceramicmaterialsinmanyaspectsofthewideruseofhigh-techindustries，theperformanceofthematerialisdemandinghigh·Therefore，technologyisbeingpaidaaentio

3、ntodevelopingnewpreparation．Thisresearchcomestodevelopthepreparationtechnologyofoxidizingtheceramicmaterialofzirconia-basedfromtheangleofindustrializationandenvironmentalprotectionandachievedgoodresults．Theuseofcheaprawmaterials，simpleprocessesandsimpleequipment，whileinthelegalsystemforaZirconia．

4、basedceramicmaterialsofvaluablehardware．throughtheprecursordecompositionbyzirconiumoxideceramicmicrobase，andonthisbasis，theuseofdry—pressedshapedandwithoutpressuresinterpreparedfortheimplicationsforsinterexploresinteringprocesses．RegardZrOCl2andNa2C204，Ce2(c03)3，YCl3asrawmaterials，themechanicaleq

5、uipment，filtration，dryingprocessesandcalcine，producedaceramiczirconiumoxide，ceriumoxideandyttriumoxideofhighpurityimplications，thegranularityofpowderwithparticlesizerangefrom10．30nm，thedispersionofthepowdersisgood．Yttriumoxideandceriumoxideproducedonlyforthefollow．．upstudydoneonthebasisoffeasibil

6、ityanalysis．Purezirconiumoxidesuperconductingtemperaturechangesaccompanyingthecrystalclear．Regardabovematerialasrawmaterials，throughcrystallizingtogether，mechanicalequipment，filtration，dryingprocessesandcalcine，producedaYttria-dopedzirconiapolycrystalandceria-zirconiasolidsolution，thegranularityo

7、fpowderwithparticlesizerangefrom10—50nm，thedispersionofthepowderisgood．Yttria-dopedzirconiapolycrystalistheintroductionofthestabilizingrole．t}1edifferentproportionofCe／Zrcompoundoftheseriesanalyzed，differentCe／Zrthanby