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- Title
Microstructure and Mechanical Properties of W–10Cr–0.5Y Alloy under Heavy Ion Irradiation.
- Authors
Nikitin, A. A.; Rogozhkin, S. V.; Ogorodnikova, O. V.; Bogachev, A. A.; Fedin, P. A.; Kulevoy, T. V.
- Abstract
In this work, hardness and micro- and nano-structure of W–10Cr–0.5Y alloy, which is a promising material for fusion reactors, before and after irradiation with Fe ions with an energy of 5.6 MeV at 500°C were studied. Nanoindentation for hardness measurement and transmission electron microscopy and atom probe tomography for structural changes were used. A formation of Cr clusters with the concentration of Cr in clusters of 52 ± 2 and 77 ± 3 at % for radiation doses of 1 and 10 displacement per atom (dpa), respectively, was detected. An increase in the hardness with increasing the irradiation dose from 1 to 10 dpa was found, which correlates with the increase in the Cr concentration in clusters.
- Subjects
ATOM-probe tomography; HEAVY ions; IRRADIATION; FUSION reactors; TRANSMISSION electron microscopy; MICROSTRUCTURE
- Publication
Physics of Atomic Nuclei, 2023, Vol 86, Issue 12, p2618
- ISSN
1063-7788
- Publication type
Article
- DOI
10.1134/S1063778823120050