对UO2-Er2O3可燃毒物燃料芯块的烧结工艺进行研究.试验表明:烧结过程中选择生坯密度在55％～60％理论密度的生坯芯块,在1700～1750℃,H2气氛中烧结2～3 h,可得到完整度、密度、晶粒尺寸等性能满足要求的燃料芯块.“,”The paper introduces the research on sintering process of UO2-Er2O3 burnable poisonous fuel pellets.The experiments show that the main performance of the pellets,such as:integrity,density and grain size meet the requirements in the following sintering process:the density of green pellets should be among 55％～60％T.D.,the temperature is 1700～1750 ℃,and sintering in hydrogen atmosphere for 2～3 h.