Development of Sialon Bonded Corundum Bricks

(整期优先)网络出版时间:2000-04-14
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InfluenceofadditivesandcompositionofthematrixonmecharicalpropertiesofSialonbondedcorundumbrickwithappropriatenitridationsinteringcurvewasinvestigatedinpresentpaper.ThephasecompositionandmicrostructureofthesinteredspecimenwereanalyzedbymeansofSEMandXRD.Theresultsindicatethatwithappropriatecontentofultra-finealuminapowderandaditiveA,bothcoldandhotmechanicalpropertiesofspeimensarenotablyenhanced.Themicrostructureofspecimenisdenseandwithlessporosity,Mainphaseofthespecimeniscorundum,β-sialonisalsoobservedasthebondingphase,littleimpurityisobserved.