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1、武漢理工大學(xué)碩士學(xué)位論文凝膠注模成型制備βTCP多孔生物陶瓷的研究姓名：成國(guó)煌申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：材料學(xué)指導(dǎo)教師：陳曉明20040501亟堡堡三盔堂堡圭堂垡墮皇AbstractCalciumphosphateceramicsarewidelyusedasbonereplacementsinthefieldoforalandorthopaedicsurgeryAsakindofmaterialhavingexcellentphysic

2、alchemistryperformance，theporous13tricalciumphosphate(13TCP)ceramichasgoodbiocompafibilityandbiodegradablecapabilityThismaterialcarlinduceproductionofnewbonemadplayanimportantroleofosteophonytorepairbonedefectshenceitiSa

3、nldealbonetransplantingmatedalHoweverthepresentpreparingmethodsoftheporous13一TCPbioceramicshavemanydisadvantagesGelcastingiSanovelmethodofformingceramicsandhasbeenincreasinglyemployedinpreparingcomplex—shaped，nearnetshap

4、eadvancedmaterialsInordertogetamoreeffectivepreparingtechnologyofporousceramics，porous13一TCPceramicswasfabricatedbyincorporationofformingporeagentsmethodandgelcastingmethodinthepaperFortheoptimalquanti諺ofgelfactors，throu

5、ghcarefulcomparingwiththetimeofforminggelandthestrengthofthegreengelbodywegotasfollowproportion：AMwas59，MBAMWas039，thedistilledwaterwas25m1initiatorWhichconcentrationwas15wt％was06ml，catalystwhichconcentrationwas1wt％was08

6、ml，thetemperaturewas50℃Inthisproportion，thetimeofforminggelwasfrom8to10minutesThecompressivestrengthofthegreengelbodieswasabout5000Pathedryshrinkageratewasabout50％andthegreenbodiesdidn’tfracturedInthePaperpreparationofac

7、oncentratedsuspensionwith10WviscosityandhighsolidvolumecontentandstabilityisthekeytosuccessingeleastingtechnologyTheresultsoftheexperimentindicatedthattheparticlesof13TCP／BGceramicshadperfectdispersingperformancewhenpHva

8、luewas10andthedispersantwasaddedWestudiedtherheologyofsuspensionof13TCP／BGceramicpowderwithlowviscosityandhighsolidcontentWjfoundthatthefactorsofquantityofthedispersant，pHvalueofthesolution，thecontentofthemonomerandtheGR

9、OSS—tinkingmonomeraddedinBG，themillingtimes，thesolidvolumecontentetcplayedanimportantroletoviscosityofthesuspensionIntheend，thesuspensionwithsolidvolumeloading58vol％wassuitableforneedofgelcastingtechnologyTheresearchresu

10、ltsindicatedthatthedryshrinkageof13TCP／BGgreenbodywasinverseproportionwithsolidvolumeloadingofthesuspensionAndtheformingporeagentshadinfluenceOnthedryshrinkageandthesinteringshrinkageBymeanofanalysisoftheTGDSCof13一TCP，BG

11、greenbodytheappropriatesinteringtedmologycouldbefixedon，ItwasanimportantdirectivesignificationtoimprovefinishedproductrateThroughanalysistheappearanceoftheporousceramicsbySEM，wemadesurethattheporous13一TCP／BGceramicshadgo

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