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Investigation of irradiated metal of WWER-type reactor internals after 45 years of operation. Part 2. Calculated and experimental determination of the fast neutron fluence and damage dose
https://doi.org/10.22349/1994-6716-2020-103-3-144-156
Abstract
Fast neutron flux, fluence and damage dose have been determined when using experimentally measured specific activity of 54Mn и 58Co isotopes for metal of samples cut out from elements of pressure vessel internals of Novovoronezh NPP Unit No 3 (18Cr-10Ni-Ti steel, analog of AISI 321 steel). The results have been compared with the values calculated by KATRIN-2.5 computer code.
Supporting agencies: This article has been written as a result of summarizing studies carried out under the project No 375123 “Investigation of the standard mechanical properties and structure integrity characteristics of the base metal and weld metal of the elements of Unit 3 of the Novovoronezh NPP to provide R&D on material science justification of operation life prolongation of equipment of WWER-440 NPP to 60 years”, funded by JSC Concern Rosenergoatom.
About the Authors
N. E. Pirogova
NRC “Kurchatov Institute” – CRISM “Prometey”
Russian Federation
49 Shpalernaya St, 191015 St Petersburg
Russian Federation
49 Shpalernaya St, 191015 St Petersburg
A. D. Dzhalandinov
JSC OKB “Gidropress”
Russian Federation
21 Ordzhonikidze St, 142103 Podolsk
Russian Federation
21 Ordzhonikidze St, 142103 Podolsk
B. Z. Margolin
NRC “Kurchatov Institute” – CRISM “Prometey”
Russian Federation
Russian Federation
Dr Sc. (Eng)
49 Shpalernaya St, 191015 St Petersburg
R. V. Derkach
NRC “Kurchatov Institute” – CRISM “Prometey”
Russian Federation
49 Shpalernaya St, 191015 St Petersburg
Russian Federation
49 Shpalernaya St, 191015 St Petersburg
A. J. Minkin
NRC “Kurchatov Institute” – CRISM “Prometey”
Russian Federation
49 Shpalernaya St, 191015 St Petersburg
Russian Federation
49 Shpalernaya St, 191015 St Petersburg
References
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6. Morgan W.C. Long-term neutron activation products of Nickel-58. – United States: N. p., 1963. DOI: 10.2172/10172408.
Review
For citations:
Pirogova N.E., Dzhalandinov A.D., Margolin B.Z., Derkach R.V., Minkin A.J. Investigation of irradiated metal of WWER-type reactor internals after 45 years of operation. Part 2. Calculated and experimental determination of the fast neutron fluence and damage dose. Voprosy Materialovedeniya. 2020;(3(103)):144-156. (In Russ.) https://doi.org/10.22349/1994-6716-2020-103-3-144-156
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