Thermal stability of the microstructure of 12% chromium ferritic–martensitic steels after long-term aging at high temperatures

Thermal stability of the microstructure of 12% chromium ferritic–martensitic steels after long-term aging at high temperatures

The structure of EK-181 (RUSFER-EK-181, low-activation) and ChS-139 12% Cr ferritic–martensitic steels is investigated and their mechanical properties are tested after long-term (13500 h) aging at 450 and 620°C. The microstructure of the steels exhibits a high thermal stability, which provides the r...

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Veröffentlicht in:Technical physics 2016-02, Vol.61 (2), p.209-214
Hauptverfasser: Chernov, V. M., Leont’eva-Smirnova, M. V., Mozhanov, E. M., Nikolaeva, N. S., Tyumentsev, A. N., Polekhina, N. A., Litovchenko, I. Yu, Astafurova, E. G.
Format: Artikel
Sprache:eng
Schlagworte:
Chromium
Classical and Continuum Physics
Physical Science of Materials
Physics
Physics and Astronomy
Steel
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Zusammenfassung:The structure of EK-181 (RUSFER-EK-181, low-activation) and ChS-139 12% Cr ferritic–martensitic steels is investigated and their mechanical properties are tested after long-term (13500 h) aging at 450 and 620°C. The microstructure of the steels exhibits a high thermal stability, which provides the retention of their initial short-term mechanical properties at test temperatures.
ISSN:1063-7842
1090-6525
DOI:10.1134/S1063784216020092