氧化铝陶瓷烧结助剂研究概述(1)

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:2012-04-060,,。,,,。、、,,。,:、、、、、。11.11954,Smothers[1],:Al2O3(Ti、Nb、Mn、Cu、Ge),(Ga、Y、P、Fe、Th、Ce、Zr、Co)Al2O3(、)。3wt%Cr2O31860℃,CaO1700℃,MgO,1500℃[2-3]。:Cr3+Al3+,Al2O3;CaOMgOAl2O3,。1.2Song[4]0.25mol%Na2O~SiO2、CaO-SiO2、SrO-SiO2、BaO-SiO2,,。,。,,。[5]La2O3-CeO2。1400~1450℃500MPa,1400℃6.5MPa/m1/2。[6],MnO2-TiO23.75g/cm3、320MPa;MgO-TiO2,1550℃3.80g/cm3、380MPa。[7]α-A12O3,MgOSiO2,1450℃,,,,,。[8]CuO-TiO2,CuOTiO2。CuO,TiO2A12O3A12Ti7O15。50gA12O30.025molCuO-TiO2,1250℃98%。1.3SinghKwon[9-10]MgO-Al2O3-SiO2CaO-Al2O3-SiO2,,Al2O3-。[11]A1203、、95。9.6wt%,,1620℃95,。[12]CaO-SiO2-MgO95,9595。,、、95。[6]MgO-ZnO-SiO2CaO-ZnO-SiO2,1550℃3.72g/cm3、300MPa。,(,417000)。;;JiangsuCeramics454201208Vol.45,No.4August,2012201300-1500℃。[13]1300℃95%,MnO2-TiO2-MgO、。MgO、MnO2TiO20.5wt%、3wt%3wt%,,,。1.4[14]Al2O3B2O3-CaO-SiO2-MgO,951580℃。B2O3,CaO、MgO、SiO2,,B2O3CaO、MgO、SiO2,Al2O3,,,。[15]CaO-MgO-SiO2,La2O3Sm2O3,1400-1430℃95,,、,4×10-1,350MPa,4.2MPa/m1/2。[16]10wt%~12wt%Al2O3-ZrO2-SiO2-MgO,1500℃,550MPa。Sathiyakunar[17]CuO-TiO2-MgO-B2O3,1250℃99.2%,325MPa,CuO、TiO2,。[18]CaO-MgO-SiO2TiO2,,CMS6%、TiO21%、1500℃,98.71%,,。[19]TiO2CaO-Al2O3-SiO2、。TiO2,;,CAS,1.3wt%CAS,TiO2,,。[20]ZnO-CaO-MgO-SiO2、。,。,,3wt%,:3.2g/cm3,146.9MPa。[21]MgO-MnO2-TiO2-SiO2,SiO2Al2O3,Al2O3。1450℃0.5wt%SiO2,Al2O3,σ=299MPa,SiO2,SiO2,。[22]MnO2-TiO2-CaO-La2O3,95。1450℃,,,3.78g/cm3,357.12MPa,78.0HRA。1.5[23]CaO-MgO-BaO-SiO2-ZrO290,1420℃3.77g/cm390,、、,。[24]MgO-CaO-ZnO-SiO2-MgF2,MgF2、。MgF22wt%,1270~1330℃3.18g/cm3,165MPa。SiO2-MgO-CaO-B2O3-Li2O961450-1500℃。B2O3-BaCO3-CaO-MgO-TiO2,1450℃,98.45%,378MPa。1.6,,,。[25]1350℃85。2,,,,:V2O5、B2O3,,,。[1]WJSmothers,HJReynolds.SinteringandGrainGrowthofAlumina[J].AmCeramSoc,1954,37(12):588-595[2]..:,2004[3]..:,2005[4]HuesupSong,RobertLCoble.OriginandGrowthKineticsofPlatelikeAbnormalGrainsinLiquid-Phase-SinteredAlumina.AmCeramSoc,1990,73(7):2077-2085[5],,..,2002,30(1):112-116[6]..,2002,12(3):7-10[7],,.:21.,2003,18(6):1192-1198[8],,.CuO-TiO2(I).,2009,23(5):2-6[9]SinghVK.Densificationofaluminaandsilicainthepresenceofaliquid-phase.AmCeramSoc,1981,64(10):133-136[10]KwonOH,MessingGL.Kineticanalysisofsolution-precipita-tionduringliquid-phasesinteringofalumina.AmCeramSoc,1990,73(2):275-281[11],,.95A1203.,1999,33(1):35-36.[12],.95A1203.,2000,33(2):10-11[13],,.MnO2-TiO2-MgO.,2008,23(1):5-7[14]..,1995,29(3):14-16[15],..,1995,23(3):272-278[16]..,1996(1):41-43[17]MSathiyakumar,FDGnanam.Influenceofadditivesondensity,Microstructureandmechanicalproperitiesofalumina..MaterProcTec,2003,133(3):282-286[18],,..,2007,21(1):17-19[19],,.TiO2CaO-Al2O3-SiO2.,2007,41(7):430-434.[20],,.ZnO-CaO-MgO-SiO2.,2009,30(2):195-199[21],,.MgO-MnO2-TiO2-SiO2SiO2.,2009,28(3):479-490[22],,.MnO2-TiO2-CaO-La2O3.,2011,32(4):548-551[23],,.90.,2004,40(2):13-17[24],,.MgF275.,2010,46(10):25-27[25].85.,2010,33(3):22-24JiangsuCeramics20128454ResearchProgressonLow-sinteringAluminaceramicZhouXin-xing(DepartmentofChemistryandMaterialScience,HunanInstituteofHumanities,ScienceandTechnology,Loudi,417000)Abstract:Accordingtoresearchstatus,thepowderpreparationofchoiceandthenewtechnologyoflowtem-peraturesinteringadditiveswerereviewsed,integratednearlytwentyyearsaluminaceramiclowtemperaturesinteringandadditivessystemforfutureresearchdirection.Keywords:Aluminaceramic;Lowtemperaturesintering;Sinteringadditives;Researchprogressssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss,,32()。,。19862,,,。,、、、、、,。,,。,:“,。”。、,,,,“,。”,2,70,55。,、、、、、、。,2125、96、30“”,,,,,,,,。22

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