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Title: Challenges and opportunities to alloyed and composite fuel architectures to mitigate high uranium density fuel oxidation: Uranium diboride and uranium carbide

Journal Article · · Journal of Nuclear Materials
ORCiD logo [1]; ORCiD logo [2];  [3];  [3];  [4]
  1. Idaho National Lab. (INL), Idaho Falls, ID (United States); Boise State Univ., ID (United States)
  2. Idaho National Lab. (INL), Idaho Falls, ID (United States)
  3. Univ. of Texas at San Antonio, TX (United States)
  4. Boise State Univ., ID (United States); Center for Advanced Energy Studies, Idaho Falls, ID (United States)

Here, the challenges and opportunities to alloyed and composite fuel architectures designed and intended to mitigate oxidation of the fuel during a cladding breach of a water-cooled reactor are discussed in three review manuscripts developed in parallel, with the presented article focused on the oxidation performance of uranium diboride and uranium monocarbide. Several high uranium density fuels are under consideration for deployment as accident tolerant and/or advanced technology nuclear reactor fuels, including UN, U3Si2, UB2, and UC. Presented here is the literature for UB2 and UC degradation modes, thermodynamics, and oxidation performance of the pure compounds and reported alloyed and composite architectures. Furthermore, this review covers the materials and techniques for the incorporation of additives, dopants, or composite fuel architectures to improve the oxidation behavior for high uranium density fuels for use in LWRs.

Research Organization:
Idaho National Lab. (INL), Idaho Falls, ID (United States)
Sponsoring Organization:
USDOE Office of Nuclear Energy (NE); Nuclear Regulatory Commission (NRC); USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC07-05ID14517; NE0008824; 32320018M0046; NA0003948
OSTI ID:
1862689
Report Number(s):
INL/JOU-21-63824; TRN: US2305543
Journal Information:
Journal of Nuclear Materials, Vol. 560, Issue -; ISSN 0022-3115
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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