简介：TheSENforthinslabcon-castingiseasytobreakanddamagebecauseoftheoxidationduringpreheatingandapplication.TheenamelcoatingmaterialisgenerallyappliedonthesurfaceofSENtoavoidtheoxidation.Thecoatingmaterialwithbornglassandsiliconasmainstartingmaterialsandsilicasolasbinderwasstudied.ZrO2-CandAl2O3-Cmaterialscontaining15%carbonwereisostaticpressed,andheatedat600℃,900℃,1200℃,1500℃for2h,respectively.Theresultsshowthatthecoatingmaterialwith70%ofboronglassand30%ofsiliconbondedbysilicasolcanformdenserprotectionlayerintheabovementionedmaterialsattherangeof600-1500℃.Theoxidationarearatioandweightlossratiowiththecoatingaremuchlowerthanthosewithoutthecoating.
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