Comparison of thermal compatibility between atomized and comminuted U{sub 3}Si dispersion fuels
Conference
·
OSTI ID:567635
- Korea Atomic Research Institute, Taejon (Korea, Republic of)
Thermal compatibility of atomized U{sub 3}Si dispersion fuels were evaluated up to 2600 hours in the temperature range from 250 to 500{degrees}C, and compared with that of comminuted U{sub 3}Si. Atomized U{sub 3}Si showed better performance in terms of volume expansion of fuel meats. The reaction zone of U{sub 3}Si and Al occurred along the grain boundaries and deformation bands in U{sub 3}Si particles. Pores around fuel particles appeared at high temperature or after long-term annealing tests to remain diffusion paths over the trench of the pores. The constraint effects of cladding on fuel rod suppressed the fuel meat, and reduced the volume expansion.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- OSTI ID:
- 567635
- Report Number(s):
- ANL/RERTR/TM-20; CONF-9409107-; ON: DE98000036; TRN: 98:003336
- Resource Relation:
- Conference: International meeting on reduced enrichment for research and test reactors, Williamsburg, VA (United States), 18-22 Sep 1994; Other Information: PBD: Aug 1997; Related Information: Is Part Of Proceedings of the 1994 international meeting on reduced enrichment for research and test reactors; PB: 427 p.
- Country of Publication:
- United States
- Language:
- English
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