발간논문

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Vol.25, No.9, 623 ~ 629, 1987
Title
Effects of Sintering Temperature and Time in CO2 Atmosphere on the Density of UO2 Pellets
이규암Kyu Arm Lee, 서경수Kyung Soo Suh, 조성석Seong Seock Cho
Abstract
A low temperature sintering in oxidizing atmosphere was employed to obtain high density UO₂pellets. The density of pellets sintered in CO₂ atmosphere followed by reduction treatment in H₂ atmosphere at 1100℃ for one hour was 10.66g/cc (i.e., 97.3% of theoretical density). The measured value is the same as those of pellets sintered at high temperatures above 1700℃ in H₂ atmosphere. When the sintering temperature was higher than 1100℃ (upto 1300℃), the sintered density decreased as either temperature or time increased.
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