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Radiation resistance of high-density uranium—molybdenum dispersion fuel for nuclear research reactors

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Abstract

The results of radiation tests are discussed and the character of the failure of fuel compositions and the operability of fuel elements is analyzed as a function of the type of fuel and the irradiation conditions. The intense interaction of the fuel with the matrix material is considered as the main factor limiting the operability of fuel elements in power-dense high-flux nuclear reasearch reactors. It is concluded that low-enrichment high-density uranium—molybdenym fuel can provide reliable operation of dispersion fuel elements in low-and medium-power research reactors. Such fuel can be used in power-dense high-flux research reactors if the fuel load is decreased below the maximum admissible amount, the compatibility of the uranium—molybdenum alloy with an aluminum matrix is radically improved, or fuel elements with a different construction, for example, monolithic, are used.

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Authors and Affiliations

  1. A. A. Bochvar All-Russia Research Institute of Standardization in Machine Engineering, Russia

    A. V. Vatulin, A. V. Morozov, V. B. Suprun, Yu. I. Petrov & Yu. I. Trifonov

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  1. A. V. Vatulin
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  2. A. V. Morozov
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  3. V. B. Suprun
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  4. Yu. I. Petrov
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  5. Yu. I. Trifonov
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Translated from Atomnaya Énergiya, Vol. 100, No. 1, pp. 35–44, January, 2005.

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Vatulin, A.V., Morozov, A.V., Suprun, V.B. et al. Radiation resistance of high-density uranium—molybdenum dispersion fuel for nuclear research reactors. At Energy 100, 37–46 (2006). https://doi.org/10.1007/s10512-006-0047-y

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  • DOI: https://doi.org/10.1007/s10512-006-0047-y

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