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简介：Volume45,Number6,2011Self-propagatinghigh-temperaturesynthesisofAl4SiC4andB4Candtheirapplicationincarboncontainingrefractories/WangGang,WangLongqing,WangLaiwen,etal//NaihuoCailiao.-2011,45(6):401Abstract:Al4SiC4powderwassynthesizedbychemicalovenself-propagatinghigh-temperaturesynthesis(COSHS)usingAl,Si,carbonblackorgraphiteasmainstartingmaterials.Alumina-graphitematerials

简介：EffectofrareearthoxideonpropertiesofCaO-MgO-SiO2systembio-solubleceramicfibers.WangXitang,LiuHao,ZhangBaoguo,etal.(321-324).-Rareearthoxide,Ceramicfiber,Bio-solubility,Crystallizationbehavior-CaO-MgO-SiO2systembio-solubleceramicfibersweremadebymelting-spinningprocessusingnaturalwollastonite,talc,andquartzsandasmainstartingmaterials,andrareearthoxideasadditive.Theviscosityofthemelts,bio-solubilityandcrystallizationbehaviorathightemperaturesoftheceramicfiberswereinvestigated.Theresultsindicatethattheintroductionofrareearthoxide:(1)broadsthefiber-formingtemperaturerange;(2)reducesthesolutionspeedofCaO-MgO-SiO2systembio-solublefibersinlungliquidbutdoesn'tchangethebio-solubleattribute;(3)strengthensthenetworkstructureofthefibersandrestrainsthecrystallizationbehaviorathightemperatures.