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Effect of the Initial Powder and Treatment on the Structure of Oxide Dispersion-Strengthened Steel

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The results of investigations of the structure and uniformity of the Y2O3 distribution in reactor EP-450 (12Kh13M2BFR) dispersion-strengthened ferrite-martensite steel are presented. It is found that electricpulse plasma sintering of powders of matrix steel and dispersion-strengthening oxides can be one of the methods for fabricating reactor steel. Optical and transmission electron microscopy investigations show that quite uniform grains are formed in a compact and no appreciable porosity is seen visually. Steel with structure in the form of flakes with mechanical alloying time 15 h possesses the best chemical composition with quite uniform Y2O3 distribution.

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Authors and Affiliations

  1. National Nuclear Research University – Moscow Engineering-Physics Institute (NIYaU MIFI), Moscow, Russia

    I. I. Chernov, M. S. Stal’tsov, B. A. Kalin, I. A. Bogachev, M. A. Burlakova, N. A. Sokolova, E. V. Krikun, D. B. Shuvalov, V. I. Skrytnyi & E. A. Olevskii

  2. Bochvar All-Russia Research Institute for Inorganic Materials (VNIINM), Moscow, Russia

    V. S. Ageev

Authors
  1. I. I. Chernov
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  2. M. S. Stal’tsov
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  3. B. A. Kalin
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  4. I. A. Bogachev
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  5. M. A. Burlakova
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  6. N. A. Sokolova
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  7. E. V. Krikun
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  8. D. B. Shuvalov
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  9. V. I. Skrytnyi
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  10. E. A. Olevskii
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  11. V. S. Ageev
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Chernov, I.I., Stal’tsov, M.S., Kalin, B.A. et al. Effect of the Initial Powder and Treatment on the Structure of Oxide Dispersion-Strengthened Steel. At Energy 116, 42–47 (2014). https://doi.org/10.1007/s10512-014-9814-3

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  • DOI: https://doi.org/10.1007/s10512-014-9814-3

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