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1、CurrentdevelopmentstatusofrareearthcementedcarbidesZONGXiaLUYuxiangDept.ofMaterialsEngineering,ChinaUniversityofPetroleum(EastChina),Dongying257061,Shandong,ChinaAbstractRareearthmetalsandtheircompoundshavemanyexcellentproperties,andtheadditionofrareearthelementsinacertainwayintotheconventionalcementedcarbidecanimprovesuchpropertiesastough-ness,bendingstrengthandhardness.Therefore,therareearthalloyplaysauniqueroleinallfieldsofthemod-ernscientifictechnology,especiallyinthemanufacturingofmodernmach。
2、inerytools.Inthepaper,thecurrentdevelopmentstatusofrareearthcementedcarbideswasreviewed,includingtheaffectingmechanismofrareearthelements,theireffectsonmicrostructureandproperties,theformandtechniqueofadditionofrareearthelementsandsoon.Atthesametime,theproblemsandpossiblesolutionsduringcurrentdevelopmentofrareearthcementedcarbideswerealsoinvolved.Keywordsrareearth;cementedcarbide;currentdevelopmentstatusαεαααεαααμμμμμμμα。
本文标题:稀土硬质合金的发展现状
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