简介:JointlydevelopedbyGeneralResearchInstituteofNonferrousMetalsinBeijing,NortheastUni-versityofTechnology,ZhuzhouHardAlloyFactoryandZigong-HardAlloyFactory,fournewmarksofRE-bearinghardalloy,YG6R,YG8R,YT5RandYT15R,havereachedcommercialproductionrecently.ThealloysresultfromthetechniquewherebyasmallamountofREmetalsisadded.Asteel