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Development of Fuel Pin with Uranium-Plutonium Nitride Fuel and Liquid-Metal Sublayer

The status of development work on fuel pins with fast-reactor nitride fuel and a liquid-metal sublayer, which is being considered in Project Breakthrough (Project Proryv) together with fuel pins with a helium sub-layer, is presented. Such fuel pins are shown to have the potential to improve the core...

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Bibliographic Details
Published in:Atomic energy (New York, N.Y.) N.Y.), 2020-03, Vol.127 (5), p.280-287
Main Authors: Adamov, E. O., Zabud’ko, L. M., Mochalov, Yu. S., Rachkov, V. I., Khomyakov, Yu. S., Kryukov, F. N., Skupov, M. V.
Format: Article
Language:English
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Summary:The status of development work on fuel pins with fast-reactor nitride fuel and a liquid-metal sublayer, which is being considered in Project Breakthrough (Project Proryv) together with fuel pins with a helium sub-layer, is presented. Such fuel pins are shown to have the potential to improve the core characteristics of the advanced high-power reactors BR-1200 and BN-1200. The basic results for the development and fabrication of experimental nitride-fuel pins with different variants of the lead sublayer and the results of their tests in the BOR-60 reactor and post-reactor studies are presented. The problems of fabricating fuel pins with a lead sublayer are noted, possible solutions are discussed, and the required additional studies are indicated.
ISSN:1063-4258
1573-8205
DOI:10.1007/s10512-020-00624-4