简介：Usingbrownfusedaluminaandtopgradebauxiteasmainstartingmaterials,ultrafinealumina,silicafume,andpurecalciumaluminatecementasbondingsystem,theeffectsofbrownfusedaluminaandtopgradebauxiteadditionsonthepropertiesandmicrostructureofzero-cementAl2O3-SiO2castablesafterdriedat110℃andfiredat1250℃for3hwerestudied.Themicrostructurewasanalyzedanddiscussed.Theresultsshowthatthehotmodulusofruptureofzero-cementAl2O3-SiO2castablesat1250℃isupto22.1MPawhenthebauxiteadditionisoptimumat12.5wt%.Themulliteformationmechanisminthiscastablesisdissolution-precipitationmechanismandthehotmodulusofruptureofthecastablesiscloselyrelatedtoin-situmulliteformation.Comparedwithbrownfusedalumina,thetopgradebauxiteismorehelpfultoin-situmulliteformationandimprovementofhotmodulusofruptureofthecastables.

简介：HostedbyTheTechnicalAssociationofRefractories,Japan,12thUnifiedInternationalTechnicalConferenceonRefractories(UNITECR)willbeheldinKyoto,JapanfromOct.31toNov.2,2011.Session

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简介：OnApril20-22,2011,China'sRefractoriesRawMaterialsSymposium,co-sponsoredbyRefractoriesBranchofTheChineseSocietyforMetalsandChinaHenanRefractoryIndustry

简介：2011(11th)ChinaSymposiumonMonolithicRefractorieswassuc-cessfullyheldinShanghaionSept.24-26,2011.ThesymposiumwassponsoredbyRefractoriesBranchofTheChineseSocietyforMetals,

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