Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Young Woo Rhee0
Ki Won Kang0
Kun Woo Song0
Youn Ho Jung0
Jae Ho Yang0
Jong Hun Kim0
Keon Sik Kim0
Date of Patent
February 3, 2009
Patent Application Number
11049452
Date Filed
February 2, 2005
Patent Primary Examiner
Patent abstract
A method for fabricating a sintered duplex nuclear fuel pellet includes the steps of: preparing a first powder composed of a material selected from the group consisting of UO2 and UO2—Er2O3, and a second powder composed of UO2—Gd2O3 and a sintering additive; producing a duplex compact consisting of an annular outer portion composed of the first powder and a cylindrical inner portion composed of the second powder; and sintering the duplex compact under a reducing gas atmosphere, wherein the sintering additive contains manganese of 0.001% to 2% by weight based on the total weight of the cylindrical inner portion.
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