简介:Inthepresentpaper,novelsidewallmaterialsforaluminumreductioncellwerepreparedinairusingmagnesiaandmagnetiteasstartingmaterials.ThesinteringbehaviorsofthespecimenswereinvestigatedbymeansofX-raydiffraction(XRD)andscanningelectronmicroscope(SEM).AndcorrosiontestsinaNa_3AlF_6-AlF_3-K_3AlF_6bathwereconductedtoevaluatetheelectrolytecorrosionresistance.TheresultsshowthattheFe_3O_4phaseistransformedintoFe_2O_3athightemperatures,whichinturnreactswiththeMgOaddedtoformMgFe_2O_4spinel.AndwithincreasingtheMgOcontentfrom0to30mass%,densificationofthespecimensdecreasesmainlyduetolargervolumeexpansionresultingfromformationofmoreMgFe_2O_4.ThecorrosiontestsshowthatcorrosionlayersareproducedinalltheMgOaddedspecimens.However,forspecimenscontainingMgFe_2O_4phaseonly,Mg(Al,Fe)_2O_4compositespinellayersarealsogenerated,whichremarkablyimprovethecorrosionresistanceofthespecimens.
简介:UpontheinvitationbytheRefractoriesAssociationofGreatBritain,DMGMidiaLtd,UnitecCeramicsLtd,LAEISBucherGmbHandNaberthermCeramicsLtd,theAssociationofChinaRefractoriesIndustry(ACRI)dispatchedadelegationconsistedoftenpersonstopayanofficialvisitattheaboveorganizationsandcompaniesduringOctober9thto25th,2001.Thefollowingarethehighlights.
简介:2012第九届中国(天津)国际涂料展览会时间:2012年4月10日至2012年4月12日地点:天津国际展览中心展出内容:涂料、油墨及粘合剂产品:汽车涂料、不粘涂料、工业涂料、溶剂型涂料、水基涂料、粉末涂料、建筑装饰涂料、木器家具涂料及其它相关涂料、油墨及粘合剂产品。化学品及原材料:天然树脂、合成树脂(丙烯酸树脂、氨基树脂、石油树脂、有机硅树脂等)、颜料(氧化铁红、铝粉、铝浆、钛白粉、珠光颜料、酞菁等)、溶剂、填料(高岭土、滑石粉、膨润土、碳酸钙、云母粉等)、填充剂、助剂(包括增稠剂、表面活性剂、颜料分散剂、乳化剂、交联剂、消泡剂/防泡剂、防结皮剂、流平剂、杀菌剂、催干剂、稳定剂、蜡类等)。