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Erschienen in: Physics of Metals and Metallography 7/2020

01.07.2020 | THEORY OF METALS

Model of the Final Stage of Nonstationary Radiation Swelling of Metals

verfasst von: A. V. Kozlov, I. A. Portnykh, A. R. Isinbaev

Erschienen in: Physics of Metals and Metallography | Ausgabe 7/2020

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Abstract

A model of the final stage of nonstationary swelling has been developed to predict the residual life of fast neutron fuel elements by the criterion of achieving a swelling of 15%. A criterion for achieving this stage is formulated, using the shape of the histogram of the void size distribution. A set of characteristics of radiation porosity, sufficient for a quantitative description of the swelling of reactor structures, is determined. The possibilities of using the model to predict the residual life of the fuel-element claddings made of EK164 steel after a service in the BN-600 reactor until achieving a maximum damaging dose of 99 dpa are illustrated.

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Metadaten
Titel
Model of the Final Stage of Nonstationary Radiation Swelling of Metals
verfasst von
A. V. Kozlov
I. A. Portnykh
A. R. Isinbaev
Publikationsdatum
01.07.2020
Verlag
Pleiades Publishing
Erschienen in
Physics of Metals and Metallography / Ausgabe 7/2020
Print ISSN: 0031-918X
Elektronische ISSN: 1555-6190
DOI
https://doi.org/10.1134/S0031918X20070042

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