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Simulation of stainless ferritic-martensitic and austenitic steel hardening after irradiation in ion accelerator. Part 1. Development of a methodology for determining the ion mode irradiation of ferritic-martensitic steels
https://doi.org/10.22349/1994-6716-2024-118-2-187-211
Abstract
A methodology for determining the irradiation mode for ferritic-martensitic steels at ion accelerator has been developed and experimentally substantiated, providing radiation hardening of these steels, identical to that realized under neutron irradiation. The change in Vickers microhardness is used as a measure of radiation hardening. A study was carried out of radiation-induced changes in the microhardness of ferritic-martensitic steels 07Kh12NMFB and EP-823 after neutron and ion irradiation to damaging doses of 10–30 dpa in the temperature range 350–600°C. These materials were irradiated with neutrons in the reactors BOR-60, BN-600 and in the ion accelerator of the State Scientific Center of the Russian Federation – Institute for Physics and Power Engineering named after A.I. Leypunsky (IPPE) with Fe3+, Fe4+ ions and He+ ions to concentrations of 0.2 and 4 appm/dpa. A transition function has been established that connects the irradiation temperatures for neutron and ion irradiation at a given damaging dose, ensuring the same radiation hardening.
Keywords
ferritic-martensitic steels,
neutron and ion irradiation,
Vickers microhardness,
instrumental indentation,
radiation-induced hardening
Supporting agencies: The work was carried out within the framework of the implementation of the state contract IGK 17706413348220001050.
About the Authors
B. Z. Margolin
NRC “Kurchatov Institute” – CRISM “Prometey”
Russian Federation
Russian Federation
Dr Sc. (Eng).
49 Shpalernaya St, 191015 St Petersburg
A. A. Sorokin
NRC “Kurchatov Institute” – CRISM “Prometey”
Russian Federation
Russian Federation
Cand Sc. (Eng).
49 Shpalernaya St, 191015 St Petersburg
L. A. Belyaeva
NRC “Kurchatov Institute” – CRISM “Prometey”
Russian Federation
Russian Federation
Cand Sc. (Eng).
49 Shpalernaya St, 191015 St Petersburg
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For citations:
Margolin B.Z., Sorokin A.A., Belyaeva L.A. Simulation of stainless ferritic-martensitic and austenitic steel hardening after irradiation in ion accelerator. Part 1. Development of a methodology for determining the ion mode irradiation of ferritic-martensitic steels. Voprosy Materialovedeniya. 2024;(2(118)):187-211. (In Russ.) https://doi.org/10.22349/1994-6716-2024-118-2-187-211
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