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

Joel Turner; Simon Middleburgh; Tim Abram

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

Joel Turner, Simon Middleburgh, Tim Abram

University of Manchester

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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	Journal of Nuclear Materials
Volume	529
Early online date	26 Nov 2019
Publication status	Published - 1 Feb 2020

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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{\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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JO - Journal of Nuclear Materials

JF - Journal of Nuclear Materials

M1 - 151891

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

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