氧化铝基陶瓷凝胶注模成型工艺的研究——(I)悬浮体的制备及流变特性

14419998JournalofInorganicMaterialsVol.14,No.4Aug.,199931998208210,1998210205(59572010)3(I)­(266042)­(266071)2Al2O3ZrO2(3Y)2Al2O3,1,MN65vol%267mPas2Al2O3,55vol%10vol%ZrO2(3Y)2Al2O311,2Al2O3,ZrO2(3Y)2Al2O3,,O6481(Gelcasting),MarkA,Janney[15]1,,,,1,,,1,,,11,,12Al2O3,ZrO2(3Y)2Al2O31,,MN,,,1221123m,ZrO2(3Y)015m1,,N,N2,,MN121221211,,,24h121212,121213PHS225pH,NDJ21,KND24t,Archimedes11Fig11Flowtimeandviscosityofsuspensionvsaluminavolumefraction33112Al2O32Al2O3,,,MN2Al2O3,pH(pH915),2Al2O3MgO2Al2O31t1131111,,(014),1,,,(m)1m=016301711,,,50vol%,,165vol%,267mPas142614,1,,,,1MN,,1,1MNpH,,11,A-MN1MN,pH,MN,A-,A-,(IEP),,,Zeta,,,1,131112MgO2Al2O3MgO,,[6,7],1MgO2Al2O3,MgO,1MgO,,MgO,1MNA-,Mg2+,,1MgO,1MgO2Al2O32pHFig12ViscosityofsuspensionvspHanddis2persantcontent11,50vol%,MgO;50vol%,MgO1,,,MgO,Mg2+,,,MN,1,65vol%,MgO2Al2O3272mPas,1312ZrO2(3Y)2Al2O3,1,5264:pH1ZrO2(3Y)Al2O3,,1,(IEP),1,,MN131211ZrO2(3Y)(2vol%),1MNZrO2(3Y)2Al2O3,ZrO2(3Y),014%016%018%110%2vol%ZrO2(3Y),(pH:810),pH21,12,pH=810pH,pH,1341,pH(pHpHmin)1pHmin,3,4pH,pHpHmin,pH,pH9125,31ZrO2(3Y)1A-,,,MN,;ZrO2(3Y)A-,,,,;,1MN,ZrO2(3Y),,,,13ZrO2(3Y)Fig13MaximumvolumefractionoftotalsolidevszirconiavolumefractionofcompositepowdersA-ZrO2(3Y),1ZrO2(3Y)A-1,1pH,MN,A-,ZrO2(3Y)A-1,pH,ZrO2(3Y)A-MN1,110%,pH9,,018%,pH=915,,pH9125,,,ZrO2(3Y)2Al2O3,pH915,ZrO2(3Y)018%16261431212ZrO2(3Y)2Al2O3ZrO2(3Y)2Al2O3,pH915,,1(2Pas),ZrO2(3Y)2Al2O3mZrO2(3Y),31,ZrO2(3Y),m,ZrO2(3Y)13vol%,48vol%,50vol%1,ZrO2(3Y)2Al2O31OMATETE[8]55vol%20vol%ZrO2(3Y)2Al2O3,,1,,,,1ZrO2(3Y)2Al2O3,ZrO2(3Y)1ZrO2(3Y)Al2O3,ZrO2(3Y)VanderwaalsVanderwaals,ZrO2(3Y)1,,1,,1ZrO2(3Y)ZrO2(3Y)2Al2O3,Al2O35vol%ZrO2(3Y)2Al2O310vol%ZrO2(3Y)2Al2O3,414Fig14Viscosityofsuspensionvssolidevol2umefraction5Fig15Densityandrelativedensityofbodyvssolidevolumefraction,,1,ZrO2(3Y),1,(40vol%),,(40vol%),ZrO2(3Y)1ZrO27264:1,ZrO2(3Y),1,ZrO2(3Y)ZrO2(3Y),10vol%ZrO2(3Y)2Al2O31ZrO2(3Y)1,ZrO2(3Y)2Al2O3,,(pH)1MNZrO2(3Y)(F10vol%)2Al2O3,131315r1r165Vol%,r68%,19Mpa155Vol%10Vol%ZrO2(3Y)2Al2O3,,r66%,14Mpa1,,,11411MN,2Al2O3ZrO2(3Y)(F10vol%)2Al2O3165Vol%,267mPas121168%,10vol%ZrO2(3Y)2Al2O366%131,ZrO2(3Y)2Al2O311JanneyMA1USPatent,No14894194,1990112162JanneyMA,OmateteOO1USPatent,No15283620,199117223JanneyMA,OmateteOO1USPatent,No15145908,199219284OmateteOO,JanneyMA,StreklowRA1Am1Ceram1Soc1Bull1,m1991,70(10):1641216495YoungAC,OmateteOO,JanneyMA,etal1Am1Ceram1Soc1,1991,74(3):61226186,1,1987,15(2):14021447,1,1997,31(2):202238OmateteOO,BleierA,etal1Ceram1Eng1Sci1Proc1,1991,12(10):20842209482614