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Effect of Shear Strain on the Structure and Properties of Chromium-Nickel Corrosion-Resistant Steels

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Metal Science and Heat Treatment Aims and scope

The structure and properties of metastable austenitic steel 08Kh18N10T and stable austenitic steel ASTM F138 under shear deformation implemented by torsion under hydrostatic pressure (THP) at T = 300 and 450°C and by equichannel angular pressing (ECAP) at T = 400°C are studied. The THP yields an ultrafine-grain structure in a fully austenitic matrix with grain size 45 – 70 nm in steel ASTM F138 and 87 – 123 nm in steel 08Kh1810T. The ECAP at 400°C yields a grain-subgrain structure with structural elements 100 – 300 nm in size in steel 08Kh18N10T and 200 – 400 nm in size in steel ASTM F138.

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The work has been performed with financial support of the Ministry of Education and Science of the Russian Federation (State Contract No. 14.A12.31.0001). The authors are thankful to V. F. Terent’ev and D. V. Prosvirin for the performed fatigue tests and discussion of the results and to G. I. Raab, N. A. Enikeev and M. M. Abramova for the help with shear deformation and discussion of the results.

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Authors and Affiliations

  1. A. A. Baikov Institute for Metallurgy of the Russian Academy of Sciences, Moscow, Russia

    S. V. Dobatkin & O. V. Rybal’chenko

  2. NITU “MISiS,” Department of Metal Science and Strength Physics, Moscow, Russia

    S. V. Dobatkin & A. A. Tokar’

  3. NITU “MISiS,” Laboratory of Hybrid Nanostructured Materials, Moscow, Russia

    S. V. Dobatkin, O. V. Rybal’chenko & A. A. Tokar’

  4. Federal University, San-Carlos, Brazil

    A. Kliauga

Authors
  1. S. V. Dobatkin
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  2. O. V. Rybal’chenko
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  3. A. Kliauga
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  4. A. A. Tokar’
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Corresponding author

Correspondence to S. V. Dobatkin.

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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 4, pp. 44 – 51, April, 2015.

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Dobatkin, S.V., Rybal’chenko, O.V., Kliauga, A. et al. Effect of Shear Strain on the Structure and Properties of Chromium-Nickel Corrosion-Resistant Steels. Met Sci Heat Treat 57, 222–228 (2015). https://doi.org/10.1007/s11041-015-9865-7

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  • DOI: https://doi.org/10.1007/s11041-015-9865-7

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