2026-09-19T01:49:05Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/1620782025-07-30T03:07:27Zcom_1721.1_7582com_1721.1_7581col_1721.1_131023
Jossou, Ericmoore
Moeykens, Riley S.
Massachusetts Institute of Technology. Department of Nuclear Science and Engineering
2025-07-29T17:16:35Z
2025-07-29T17:16:35Z
2025-05
2025-06-02T13:20:28.741Z
https://hdl.handle.net/1721.1/162078
Following the nuclear accident at Fukushima Daiichi Power Station in 2011, an urgent need for safer, more economical, and versatile nuclear fuels has arisen. In recent years, uranium boride (as a tetraboride and diboride) has been further investigated as a candidate fuel form for its high thermal conductivity, high melting point, high uranium loading, and potential for dual use as a fuel and burnable absorber. In this work, the synthesis, structural behavior, and oxidation behavior of uranium borides and chromium- and yttrium- alloyed uranium borides are investigated. The structure of the synthesized uranium borides and chromium- and yttrium- alloyed uranium borides were probed using synchrotron X- ray Powder Diffraction (XRD) and Pair Distribution Function (PDF) analysis with in-situ heating. The methods and challenges in synthesizing uranium boride and chromium- and yttrium-alloyed uranium boride, as well as the consequential thermophysical and oxidation properties of these potential fuel forms, are elucidated in this work.
S.B.
S.M.
Massachusetts Institute of Technology
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https://rightsstatements.org/page/InC-EDU/1.0/
Synthesis and oxidation behavior of Cr alloyed uranium borides at high temperatures
Thesis
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Bachelor
Master
Bachelor of Science in Nuclear Science and Engineering
Master of Science in Nuclear Science and Engineering
Publication
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<Abstract>Following the nuclear accident at Fukushima Daiichi Power Station in 2011, an urgent need for safer, more economical, and versatile nuclear fuels has arisen. In recent years, uranium boride (as a tetraboride and diboride) has been further investigated as a candidate fuel form for its high thermal conductivity, high melting point, high uranium loading, and potential for dual use as a fuel and burnable absorber. In this work, the synthesis, structural behavior, and oxidation behavior of uranium borides and chromium- and yttrium- alloyed uranium borides are investigated. The structure of the synthesized uranium borides and chromium- and yttrium- alloyed uranium borides were probed using synchrotron X- ray Powder Diffraction (XRD) and Pair Distribution Function (PDF) analysis with in-situ heating. The methods and challenges in synthesizing uranium boride and chromium- and yttrium-alloyed uranium boride, as well as the consequential thermophysical and oxidation properties of these potential fuel forms, are elucidated in this work.</Abstract>
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