简介:TheinfluenceofthreedifferentAl2O3powderonself-flowingaluminacastablewasstudied.MaximumcompactionofsamplewascomputedbyAndresenEquation.TheresultshowedthattheAl2O3powder,whichhasmuchsmallerparticlesize,couldimprovethemicrostructureandthemechanicalpropertiesofcastableunderroomtemperatureandhightemperature.Withthesamepowdersize,theroomtemperaturestrengthofthecastableaddedwithAl2O3powderproPertiesofwhichwerealteredbyaddingmineralizingagent,washigherthanthatofthecastableaddedwithcommonAl2O3powder,buttheflowabilityofthesethreedifferentcastablewasalmostthesame.
简介:Thestabilizationofγ-aluminiumoxyni-tridespinel(γ-AlON)hasbeeninvestigatedbyadditionofMgO,MgAl2O4,etc.,inreactionprocess.Theresultsindicatedthattherearewidersolidsolutionareasnear,Al2O3-richsideinAlN-Al2O3-MgOternarysystems,ThecontentofstabilizedAlONphaseinsamplesisrelatedtoheatingtemperatures,additives,etc.ThelatticeparametersoftheirAlONphasescouldbewelldescribedbytheequation:a0=0.7900+0.0375[MgO]+0.015[AlN](nm)
简介:α-Fe^2O^3材料在陶瓷、催化剂、颜料、防腐、感光材料和磁性材料等方面都有着重要的应用,而且因其原料来源丰富、用途极广,因而受到格外关注。所以,均分散α-Fe^2O^3胶体粒子的制备,不仅在理论研究具有较高价值,而且在实际应用上也有重要意义。
简介:<正>举办地点:中国·天津国际展览中心举办时间:2005-05-25主办单位:中国贸易促进委员会天津分会天津市电镀行业协会协办单位:天津国际展览工程公司联系电话:(86-22)280319582803232828032258传真:(86-22)28032327通讯地址:天津市河西区尖山路102号美联大厦806室电子邮件:yuhua-expo@sina.com内容简介:涂装设备及生产线:油漆涂装、粉末涂装、汽车涂装线、家用电器涂装线、机械手涂装、彩涂板与热镀锌、空气及无气喷枪、磨擦静电喷枪、电晕喷枪、往复喷涂机、喷涂室、固化炉、运输带、工程服务等。机械式及化学式处理:研磨/抛光/打蜡、喷砂或喷丸设备、去毛刺、防锈、清洗、脱脂、化学除锈、