Surface modification of low activation ferritic–martensitic steel EK-181 (Rusfer) by high temperature pulsed plasma flows

The changes due to pulsed plasma flow irradiation on the near-surface microstructure and mechanical properties of the high-chromium, ferritic–martensitic steel EK-181 (Fe16Cr12W2VTaB) have been quantified. Irradiation of EK-181 in this manner produces a microstructural gradient near the material sur...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms Beam interactions with materials and atoms, 2015-12, Vol.365, p.218-221
Main Authors: Emelyanova, O.V., Dzhumaev, P.S., Yakushin, V.L., Kalin, B.A., Ganchenkova, M.G., Khein, A.T., Leontyeva-Smirnova, M.V., Valiev, R.Z., Enikeev, N.A., Shao, L., Aydogan, E., Short, M., Garner, F.
Format: Article
Language:English
Subjects:
Activation
Chromium ferritic–martensitic steel
Chromium steels
Irradiation
Mechanical properties
Microstructure
Nanostructure
Plasma (physics)
Pulsed plasma flows
Steels
Surface chemistry
Surface modification
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Summary:The changes due to pulsed plasma flow irradiation on the near-surface microstructure and mechanical properties of the high-chromium, ferritic–martensitic steel EK-181 (Fe16Cr12W2VTaB) have been quantified. Irradiation of EK-181 in this manner produces a microstructural gradient near the material surface, with a two dimensional nanostructured cellular surface. The microstructure and mechanical properties of the modified layer are independent of the initial microstructure and phase composition, and are strongly defined solely by parameters of the plasma flow. High thermal stability of the pulsed plasma-modified layer was explicitly demonstrated.
ISSN:0168-583X
1872-9584
DOI:10.1016/j.nimb.2015.08.048