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Synthesis of Candidate Advanced Technology Fuel: Uranium Diboride (UB2) via Carbo/Borothermic Reduction of UO2. / Turner, Joel; Martini, Fabio; Buckley, James; Phillips, G; Middleburgh, Simon; Abram, Tim.

Yn: Journal of Nuclear Materials, Cyfrol 540, 1252388, 11.2020.

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Turner, J, Martini, F, Buckley, J, Phillips, G, Middleburgh, S & Abram, T 2020, 'Synthesis of Candidate Advanced Technology Fuel: Uranium Diboride (UB2) via Carbo/Borothermic Reduction of UO2', Journal of Nuclear Materials, cyfrol. 540, 1252388. https://doi.org/10.1016/j.jnucmat.2020.152388

APA

Turner, J., Martini, F., Buckley, J., Phillips, G., Middleburgh, S., & Abram, T. (2020). Synthesis of Candidate Advanced Technology Fuel: Uranium Diboride (UB2) via Carbo/Borothermic Reduction of UO2. Journal of Nuclear Materials, 540, [1252388]. https://doi.org/10.1016/j.jnucmat.2020.152388

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Author

Turner, Joel ; Martini, Fabio ; Buckley, James ; Phillips, G ; Middleburgh, Simon ; Abram, Tim. / Synthesis of Candidate Advanced Technology Fuel: Uranium Diboride (UB2) via Carbo/Borothermic Reduction of UO2. Yn: Journal of Nuclear Materials. 2020 ; Cyfrol 540.

RIS

TY - JOUR

T1 - Synthesis of Candidate Advanced Technology Fuel: Uranium Diboride (UB2) via Carbo/Borothermic Reduction of UO2

AU - Turner, Joel

AU - Martini, Fabio

AU - Buckley, James

AU - Phillips, G

AU - Middleburgh, Simon

AU - Abram, Tim

PY - 2020/11

Y1 - 2020/11

N2 - The synthesis of uranium diboride (UB2) from uranium dioxide (UO2) has been carried out for the first time after a coordinated experimental and theoretical investigation. The reliable conversion of UO2 to UB2 is of importance when considering commercially relevant products (e.g. as an advanced technology fuel - ATF), avoiding the use of uranium metal as a reactant. UO2 was reduced and borated in-situ through careful combination with boron carbide (B4C) and graphite (carbo/borothermic reduction). The reaction is observed to only be favourable at low partial pressures of CO, here made possible through use of a vacuum furnace at temperatures up to 1800 ∘C. At higher partial pressures of CO, the product of the reaction is UB4. For phase pure UB2, excess B4C is required due to the formation of volatile boron oxides that are released from the reaction mixture as is observed when synthesising other borides through similar routes.

AB - The synthesis of uranium diboride (UB2) from uranium dioxide (UO2) has been carried out for the first time after a coordinated experimental and theoretical investigation. The reliable conversion of UO2 to UB2 is of importance when considering commercially relevant products (e.g. as an advanced technology fuel - ATF), avoiding the use of uranium metal as a reactant. UO2 was reduced and borated in-situ through careful combination with boron carbide (B4C) and graphite (carbo/borothermic reduction). The reaction is observed to only be favourable at low partial pressures of CO, here made possible through use of a vacuum furnace at temperatures up to 1800 ∘C. At higher partial pressures of CO, the product of the reaction is UB4. For phase pure UB2, excess B4C is required due to the formation of volatile boron oxides that are released from the reaction mixture as is observed when synthesising other borides through similar routes.

U2 - https://doi.org/10.1016/j.jnucmat.2020.152388

DO - https://doi.org/10.1016/j.jnucmat.2020.152388

M3 - Article

VL - 540

JO - Journal of Nuclear Materials

JF - Journal of Nuclear Materials

SN - 0022-3115

M1 - 1252388

ER -