A high density composite fuel with integrated burnable absorber: U3Si2-UB2

Joel Turner; S C  Middleburgh; Timothy Abram

doi:10.1016/j.jnucmat.2019.151891

A high density composite fuel with integrated burnable absorber: U3Si2-UB2

Joel Turner, S C Middleburgh, Timothy Abram

Dalton Nuclear Institute

Bangor University

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Abstract

UB2-U3Si2 composite fuel pellets have been manufactured and characterised. Both main phases were observed to be stable in contact with one-another up to the maximum processing temperature of 1500◦C. The solubility and behaviour of hydrogen in UB2 was predicted and compared to previous work on the gas’ behaviour in U3Si2. H2 was found to be insoluble in UB2 to any great extent, a clear distinction to the behaviour with U3Si2.

Original language	English
Article number	151891
Journal	J. Nucl. Mater.
Volume	529
Issue number	0
DOIs	https://doi.org/10.1016/j.jnucmat.2019.151891
Publication status	Published - 26 Nov 2019

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title = "A high density composite fuel with integrated burnable absorber: U3Si2-UB2",

abstract = "UB2-U3Si2 composite fuel pellets have been manufactured and characterised. Both main phases were observed to be stable in contact with one-another up to the maximum processing temperature of 1500◦C. The solubility and behaviour of hydrogen in UB2 was predicted and compared to previous work on the gas{\textquoteright} behaviour in U3Si2. H2 was found to be insoluble in UB2 to any great extent, a clear distinction to the behaviour with U3Si2. ",

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AB - UB2-U3Si2 composite fuel pellets have been manufactured and characterised. Both main phases were observed to be stable in contact with one-another up to the maximum processing temperature of 1500◦C. The solubility and behaviour of hydrogen in UB2 was predicted and compared to previous work on the gas’ behaviour in U3Si2. H2 was found to be insoluble in UB2 to any great extent, a clear distinction to the behaviour with U3Si2.

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A high density composite fuel with integrated burnable absorber: U3Si2-UB2

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