预览加载中，请您耐心等待几秒...

凝胶注模成型工艺制备SiCwAl2O3陶瓷复合材料的性能研究.pdf

预览
1/5
2/5
3/5
4/5
5/5

在线预览结束，喜欢就下载吧，查找使用更方便

下载提示 文本预览

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

万方数据 CeramicCompositeGel—CPreparationofSiCw|入1203byastingformingdeformation．TheTheExperimentaltwoFig．1．The稀有金属材料与工程LiShaochunl，DaiChanghongdiscussed．TheSEM．The1andan2Engineering，Zhejiang310027，China)Environmental266033，China)contentIntroductionSiCW／A1203increasetoughness11硼．greenpreparetheparametersareaswithreceived，another5～25SiC们．Thehigh—purityChina，Tel：0086·571—87951408，E-mail：seaman0294@126．corn第37卷增刊22008年5月METAL～IATERIALSMay(1．DepartmentofMaterials(2．DepartmentMunicipalEngineering，QingdaoUniversity,QingdaoconcentratedviscosityaspectdensityfracturegelcastingSiC,JAl203Withincreasing，thethendecreasingwhiskers．Hence，theMPastrengthwhiskerforstrength．However,theSEMmicrographsKeycomposite；gelcastingnumber：TQl74．758ID：1002—185X(2008)S2-525-04Ithasbeenknownthatsystemisprobablymostimportantsystemsbecausebothmatrixreinforcementphaseshavewellstudied．TheincorporationSiCwhiskersintoA1203shownproducesignificantinflexurestrength，fracture．toughness，resistancetothermalshock，fatigue，andcreepattributedseveralenergy-absorbingprocesses，particularlycrackdeflectionbridgingpullout．keyissuepreparingSiC，|八1203ceramiccompositehowdispersehomogeneouslyGelcastingattractivenear-net·shapetechniquemakinghigh--qualitycomplex·-shapedparts．Inthisprocess，highsolidloadingslurryobtaineddispersingpowderspre—mixedmonomersolutionmolddesiredshape．Afteraddinginitiatorcatalystentirepolymerizessitubodiesexcellentmechanicalpropertybutfewpercentspolymerbeobtained．Thus，thedriedbodymachinedeasilytime—consumingbinderburningprogramexcluded[8-131．workattemptsSiC。|K1203gelcasting．Resultsdetailedinvestigationincludingratioitspresented．SicweresynthesizedmethodDaial[14J．Tw0kindsusedstudy,onebatchhighbetween50,---200lowreceived，respectively,labeledSiC，1morphologicalcharacterwasstartingpowderexperimentaverageparticlesizetuncommerciala-A1203powder．similardescribedpreviousstudies【1’。．ApremixpreparedShaochun,CandidateScienceRAREANDENGⅡqEERINGY01．37，Suppl．22008University,HangzhouTechnologicalAbstract：PreparationSiC。}久1203