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YANG Xiao-dong, GAO Jia-cheng, WU Zhi-ming, WANG Yong. Low- Temperature Sintering of UO2 Pellets in Low-Partial-Pressure Oxidizing Atmosphere[J]. Atomic Energy Science and Technology, 2006, 40(6): 682-687. DOI: 10.7538/yzk.2006.40.06.0682
Citation: YANG Xiao-dong, GAO Jia-cheng, WU Zhi-ming, WANG Yong. Low- Temperature Sintering of UO2 Pellets in Low-Partial-Pressure Oxidizing Atmosphere[J]. Atomic Energy Science and Technology, 2006, 40(6): 682-687. DOI: 10.7538/yzk.2006.40.06.0682
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Low- Temperature Sintering of UO2 Pellets in Low-Partial-Pressure Oxidizing Atmosphere

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  • The paper introduces the process of sintering，and the performance and property of sintered pellets at 1 200～1 400 °C in the low-partial-pressure oxidizing atmosphere，applying green pellets and matrix， and under the testing condition of sintering time， sintering temperature and atmosphere. Based on the testing data，the suitable sintering process parameters were defined. The paper analyzes the phenomenon occurred during the test and concludes that it is key factor to increase O/U ratio of original UO2 powder to improve the property of sintered pellets in the low-partial-pressure oxidizing atmosphere.
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