期刊
JOURNAL OF NUCLEAR MATERIALS
卷 511, 期 -, 页码 235-241出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jnucmat.2018.09.025
关键词
UCO microspheres; Fructose; Internal gelation process; Carbothermic reduction
资金
- Key Program for International S&T Cooperation Projects of China [2016YFE0100700]
- Chinese National Natural Science Foundation [51420105006]
- The Thirteenth Five-Year Plan Discipline Construction Foundation of Tsinghua University [2017HYYXKJS1]
A preliminary study was carried out on preparation of UC-UO2 (UCO) composite ceramic microspheres using fructose as the carbon source by combining internal gelation and carbothermic reduction. The effects of the pH of precursor solution, washing and drying processes on the gel microspheres and sintering process on the UCO sintered microspheres were analyzed. The physical properties, composition, surface morphology and internal microstructure of the UCO ceramic microspheres were also studied. Dense and crack-free UCO ceramic microspheres with good sphericity, uniform composition distribution, and high crush strength were successfully fabricated. (C) 2018 Elsevier B.V. All rights reserved.
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