简介：

简介：Inthispaper,basedonthreedifferentkindsofceramicsidedamsforthinstripantinuouscasting,thefrictionandwearingpropertywerestudied.Theeffectsoffrictionpressure,temperatureandfrictiontimeonthefrictionandwearingpropertyoftheceramicsidedamwereresearched.What’smore,thefrictionmechanismandwearingmechanismoftheceramicsidedamwereresearchedaswell.ResultsshowthattheceramicsidedamofBN-SiAlONhasthebestwearingresistanceproperty.whileatroomtemperature,16minoffrictiontimeand0.35MPaoffrictionpressure,thetestfrictioncoefficientis0.60andwearingcapacityis272.358mm~3.Inaddition,whenat400℃,16minoffrictiontimeand0.18MPaoffrictionpressure,thetestfrictioncoefficientis0.70.Thefrictionmechanismofceramicsidedamwiththeoppositewearingmaterialismainlythecompositewearofadhesion,abrasiveandfatigue.

简介：TheeffectoftheadmixturesofAlandSimetalsandB4CandMgAlONcompoundsontheoxidationofMgO/Si3N4compositerefractoryhasbeenstudied,whichisapromisingcarbonfreerefractoryforsteel-makingapplicatlon.Thefourkindsofadmixturescanbeusedasanti-oxidantsforSi3N4,butthemixtureofAlandSiachievedthebestresult.Themixturecannotonlyplaytheroleasantioxidant,butalsoassistthesinteringprocessandhelpformdensesinteringlayer,improvingthepropertyofthecomposite.