InfluenceofadditivesandcompositionofthematrixonmecharicalpropertiesofSialonbondedcorundumbrickwithappropriatenitridationsinteringcurvewasinvestigatedinpresentpaper.ThephasecompositionandmicrostructureofthesinteredspecimenwereanalyzedbymeansofSEMandXRD.Theresultsindicatethatwithappropriatecontentofultra-finealuminapowderandaditiveA,bothcoldandhotmechanicalpropertiesofspeimensarenotablyenhanced.Themicrostructureofspecimenisdenseandwithlessporosity,Mainphaseofthespecimeniscorundum,β－sialonisalsoobservedasthebondingphase,littleimpurityisobserved.
