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CurrentdevelopmentstatusofrareearthcementedcarbidesZONGXiaLUYuxiangDept.ofMaterialsEngineering,ChinaUniversityofPetroleum(EastChina),Dongying257061,Shandong,ChinaAbstractRareearthmetalsandtheircompoundshavemanyexcellentproperties,andtheadditionofrareearthelementsinacertainwayintotheconventionalcementedcarbidecanimprovesuchpropertiesastough-ness,bendingstrengthandhardness.Therefore,therareearthalloyplaysauniqueroleinallfieldsofthemod-ernscientifictechnology,especiallyinthemanufacturingofmodernmachinerytools.Inthepaper,thecurrentdevelopmentstatusofrareearthcementedcarbideswasreviewed,includingtheaffectingmechanismofrareearthelements,theireffectsonmicrostructureandproperties,theformandtechniqueofadditionofrareearthelementsandsoon.Atthesametime,theproblemsandpossiblesolutionsduringcurrentdevelopmentofrareearthcementedcarbideswerealsoinvolved.Keywordsrareearth;cementedcarbide;currentdevelopmentstatusαεαααεαααμμμμμμμα