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J. Korean Ceram. Soc. > Volume 40(6); 2003 > Article
Journal of the Korean Ceramic Society 2003;40(6): 572.
doi: https://doi.org/10.4191/kcers.2003.40.6.572
UO2-20 wt%CeO2소결체의 밀도에 따른 기공크기 및 분포
나상호, 김기홍, 김시형, 이영우, 유명준1
한국원자력연구소 세라믹핵연료 가공기술개발팀
1한전원자력연료주식회사 세라믹연료처
Pore Size and its Distribution as a Function of Sintered Density of UO2-20 wt%CeO2Pellets
ABSTRACT
Open/closed porosity, pore size and its distribution and pore type as a funtion of sintered density of UO$_2$-20 wt%CeO$_2$ pellets were investigated. Pore appeared almost closed-type with the density above 96% of the theoretical density. Bimodal pore size distribution was observed regardless of the sintered density, but the number of pore decreased with increasing the sintered density. The shape of pore was changed from irregular shape to round type with increasing the sintered density.
Key words: Sintered density p, Open porosity, Closed porosity, Nuclear fuel
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