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Mechanical properties of steel 20Kh13 after electron-beam treatment

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Abstract

Steel 20kh 13 is widely used in the production of blades of steam turbines and machine parts that require a high erosion resistance in operation with maintenance of a high impact strength. After hardening with the use of HFC heating or bulk hardening of blades, the latter exhibit warping or insufficiently high erosion resistance. Even hardening with the use of currents of superhigh frequencies does not eliminate completely the deformation of parts. Local heating by an electron beam decreases deformation considerably even under conditions of a fused surface layer in the steel and increases its erosion resistance markedly. For this reason, it is of interest to investigate the effect of electron-beam treatment on the mechanical and operational properties of turbine blades.

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Authors and Affiliations

  1. Russian Academy of Sciences, Institute for Problems of Mechanical Engineering, St. Petersburg, Russia

    V. N. Detsik

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  1. V. N. Detsik
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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 2, pp. 25 – 27, February, 1996.

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Detsik, V.N. Mechanical properties of steel 20Kh13 after electron-beam treatment. Met Sci Heat Treat 38, 75–77 (1996). https://doi.org/10.1007/BF01362161

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  • DOI: https://doi.org/10.1007/BF01362161

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