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Nanoscale characterization of 13.5% Cr oxide dispersion strengthened steels with various titanium concentrations

  • Materials of Power Engineering and Radiation-Resistant Materials
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Inorganic Materials: Applied Research Aims and scope

Abstract

The influence of titanium alloying (Ti content of 0, 0.2, 0.3, and 0.4 wt %) on the nanostructure of yttrium oxide (Y2O3) dispersion strengthened steel with a composition Fe-13.5% Cr-2% W-0.3% Y2O3 is investigated. The spatial distribution of chemical elements is analyzed in the investigated volumes. The matrix composition and average size and concentration of nanoscale clusters are compared for different samples. It is shown that the average nanocluster size (∼3 nm) is almost unchanged with increasing Ti concentration, while the cluster concentration grows from ∼1 × 1023 m−3 (for Ti-free steel) to ∼1.5 × 1024 m−3 (for 0.4 wt % Ti alloy).

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Authors and Affiliations

  1. National Research Nuclear University MEPhI, Moscow, Russia

    S. V. Rogozhkin, N. N. Orlov, A. A. Nikitin, A. A. Aleev, A. G. Zaluzhnyi & M. A. Kozodaev

  2. Institute for Theoretical and Experimental Physics, National Research Centre “Kurchatov Institute” State Scientific Center of the Russian Federation, Moscow, Russia

    S. V. Rogozhkin, N. N. Orlov, A. A. Nikitin, A. A. Aleev, A. G. Zaluzhnyi & M. A. Kozodaev

  3. Institute for Applied Materials—Applied Materials Physics (IAMAWP), Karlsruhe Institute of Technology, Karlsruhe, Germany

    R. Lindau, A. Möslang & P. Vladimirov

Authors
  1. S. V. Rogozhkin
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  2. N. N. Orlov
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  3. A. A. Nikitin
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  4. A. A. Aleev
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  5. A. G. Zaluzhnyi
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  6. M. A. Kozodaev
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  7. R. Lindau
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  8. A. Möslang
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  9. P. Vladimirov
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Corresponding author

Correspondence to S. V. Rogozhkin.

Additional information

Original Russian Text © S.V. Rogozhkin, N.N. Orlov, A.A. Nikitin, A.A. Aleev, A.G. Zaluzhnyi, M.A. Kozodaev, R. Lindau, A. Möslang, P. Vladimirov, 2014, published in Perspektivnye Materialy, 2014, No. 12, pp. 38–44.

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Rogozhkin, S.V., Orlov, N.N., Nikitin, A.A. et al. Nanoscale characterization of 13.5% Cr oxide dispersion strengthened steels with various titanium concentrations. Inorg. Mater. Appl. Res. 6, 151–155 (2015). https://doi.org/10.1134/S2075113315020136

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  • DOI: https://doi.org/10.1134/S2075113315020136

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