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HomeAdvances in Science and TechnologyAdvances in Science and Technology Vol. 94Status of the Low Enriched Uranium Fuel...

Status of the Low Enriched Uranium Fuel Development for High Performance Research Reactors

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Abstract:

Historically, uranium enriched to >90% ²³⁵U has been used for many peaceful applications requiring high fission densities such as driver fuels for research reactors. However, the use of high-enriched uranium or HEU (all enrichments >20% ²³⁵U are considered HEU) for civil applications, is considered a proliferation concern. Since the 1970's, efforts are being devoted to the conversion of research reactors operating on HEU to alternative fuels using uranium with enrichment below 20% or LEU. These efforts imply the development of high-density LEU fuels to replace the low volume-density (mostly) UAl_x based HEU fuels. The paper updates the present status of these developments focusing on the UMo dispersion fuel. It aims to provide an overview of the knowledge generated and the lessons learned in roughly 15 years of UMo dispersion fuel R&D in Europe through irradiation experiments and post-irradiation examinations (PIE).

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Advances in Science and Technology (Volume 94)

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43-54

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https://doi.org/10.4028/www.scientific.net/AST.94.43

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October 2014

Authors:

Leo Sannen*, Sven van den Berghe, Ann Leenaers

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Low Enriched Uranium Fuel (LEU Fuel), Nuclear Fuel Development, Research Reactor, U(Mo)

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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