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Published in: Physics of Metals and Metallography 4/2019

01-04-2019 | STRUCTURE, PHASE TRANSFORMATIONS, AND DIFFUSION

Influence of Neutron and Electron Irradiation on Structural-Phase Transformations in Fe–12Cr–2W–V–Ta–B Steel Processed under Various Heat Treatment Conditions

Authors: V. L. Arbuzov, B. N. Goshchitskii, S. E. Danilov, A. V. Kozlov, V. V. Sagaradze, V. M. Chernov

Published in: Physics of Metals and Metallography | Issue 4/2019

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Abstract

The effect of electron and neutron irradiation and post-radiation annealing on the properties of 12% chromium ferritic-martensitic low-activated EK-181 steel treated under various heat conditions has been studied using transmission electron microscopy and resistometry. Both electron and neutron irradiation of EK-181 steel in the 300–340 K temperature range result in radiation-induced solid solution separation during all subsequent heat treatments. Isochronous annealing in the 300–500 K temperature range causes additional solid solution separation. Nanoclusters of point defects with a size from 1.5 to 5 nm and a concentration of 5 × 1016 cm–3 have been observed after neutron irradiation at a fluence of (1–5) × 1019 cm–2. Thermal homogenization of the solid solution occurs above 650 K.

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Metadata
Title
Influence of Neutron and Electron Irradiation on Structural-Phase Transformations in Fe–12Cr–2W–V–Ta–B Steel Processed under Various Heat Treatment Conditions
Authors
V. L. Arbuzov
B. N. Goshchitskii
S. E. Danilov
A. V. Kozlov
V. V. Sagaradze
V. M. Chernov
Publication date
01-04-2019
Publisher
Pleiades Publishing
Published in
Physics of Metals and Metallography / Issue 4/2019
Print ISSN: 0031-918X
Electronic ISSN: 1555-6190
DOI
https://doi.org/10.1134/S0031918X19040021

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