Overviewofrecrystallizedsinteredpowder:RecrystallizedsiliconcarbideisalsoknownasrecrystallizedsiliconcarbideFinesiliconcarbideasrawmaterial,siliconcarbideat2400℃hightemperatureandacertainpressureUndertheprotectionofforce,evaporationcondensationrecrystallizationoccursThesinteringbodyformedbyintergrowthofparticlesoccursatthecontactofparticles.It'sbasicallynotShrinkage,butwithacertainnumberofpores.Maintechnicalspecifications:NameproductSpecificationandgranularityAppearancecolorPurity(%)Iron(%)Carbon(%)RecrystallizedsinteredpowderF8#—F220#Puregreen≥99%≤0.02%≤0.01%OtherspecificationscanbecustomizedaccordingtouserrequirementsPreparationofrecrystallizedsinteredpowder:Reconstitutedsiliconcarbide(RSIC)isakindofhigh-puritySiCproduct,whichismadeofSiCpowdersynthesizedbyAchesonmethod.AftertherawmaterialofcoarseandfineSiCpowderismolded,itisevaporatedandcondensedintheneckformedbycoarseparticlesathightemperaturetomakeithaveacertainstrength.Thereisnoshrinkageduringthesinteringprocess,soithashighporosity.Researchanddevelopmentofrecrystallizedsinteredpowder:Reconstitutedsiliconcarbide(RSIC),asakindofSiCceramicproducts,wassuccessfullypreparedinthe1950s,mainlytouseitsuniquehigh-temperaturemechanicalpropertiesforhigh-temperatureappliances,untilthe1970s,itbegantobewidelyused.Duringthisperiod,thesinteringmechanism,performanceimprovementandindustrializationwerestudied.Becausethegroutingmethodcanobtainhigherdensityandthusobtainhighermechanicalpropertiesandservicelife,theinitiallymainlyusedcompactionmethodisgraduallyreplacedbytheincreasinglymaturegroutingmethod.Withtheprogressofgroutingtechnology,suchaspressuregrouting,centrifugalgroutingandtheemergenceofnewmoldmaterials,thegroutingmethodplaysamoreimportantroleinRSICmolding.Withthenewdemand,thereconstitutedsiliconcarbide(RSIC)hasdevelopedfromtheoriginalhightemperaturetooltotheapplicationinmanyfieldsofstructureandfunction.