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    • 27. 发明公开
    • 환형 핵연료 소결체 제조방법
    • 烧结型核燃料电池的方法
    • KR1020100079423A
    • 2010-07-08
    • KR1020080137906
    • 2008-12-31
    • 한국원자력연구원한국수력원자력 주식회사
    • 이영우김동주송근우강기원김종헌김건식양재호
    • G21C3/62
    • Y02E30/38
    • PURPOSE: A method for manufacturing a sintered annular nuclear fuel pellet is provided to improve the imbalance of the heat flux in an annular nuclear fuel pellet by precisely adjusting a gap between the inside and the outside of the nuclear fuel rod. CONSTITUTION: An annular nuclear fuel mold(25) is manufactured using the powder and the granule of nuclear fuels. The annular nuclear fuel pellet is inserted into a rod shape structure(27), and the annular nuclear fuel pellet with the rod shape structure is molded by a hydrostatic pressure. The molded annular nuclear fuel pellet is separated from the rod shape structure. The separated annular nuclear fuel pellet is sintered at a reductive gas atmosphere.
    • 目的:提供一种制造烧结环形核燃料颗粒的方法,通过精确调整核燃料棒的内部和外部之间的间隙来改善环形核燃料颗粒中的热通量的不平衡。 构成:使用粉末和核燃料颗粒制造环形核燃料模具(25)。 将环形核燃料颗粒插入棒状结构(27)中,并且通过流体静压力模制具有棒状结构的环形核燃料颗粒。 模制的环形核燃料颗粒与棒状结构分离。 分离的环形核燃料颗粒在还原气体气氛下烧结。