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Use of vacuum carbonitriding for raising the seizure resistance of gears from steel VKS-10

  • THERMOCHEMICAL TREATMENT
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Metal Science and Heat Treatment Aims and scope

Saturation of heat-resistant steel VKS-10 with carbon and nitrogen in a low-pressure atmosphere is studied. The possibility of increasing the fineness of the carbonitride phase and the content of retained austenite in vacuum carbonitriding is shown as compared to vacuum carburizing. Subsequent aging results in segregation of a still finer excess phase. The factors controlling vacuum carbonitriding are determined. Comparative estimation of the seizure resistance of carbonitrided layers of steel VKS-10 and carburized layers obtained on traditional heat-resistant steels is performed.

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References

  1. Yu. S. Eliseev, V. V. Krymov, I. P. Nezhurin, et al., Production of Gears for Gas Turbine Engines [in Russian], Vysshaya Shkola, Moscow (2001), 493.

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  2. N. M. Ryzhov, A. E. Smirnov, R. S. Fakhurtdinov, et al., “Control of characteristics of diffusion layer in vacuum carburizing of heat resistant steels,” Metalloved. Term. Obrab. Met., No. 8, 22 – 27 (2004).

  3. M. Yu. Semenov and N. M. Ryzhov, “Use of numerical methods for analysis of heat processes in a gearing,” Tekhnol. Mashinostr., No. 4, 48 – 53 (2012).

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The work has been performed within the Federal Target Program “Research and Development in Priority Directions for Advancing the Scientific and Technological Complex of Russia in 2007 – 2013” in accordance with State Contract No. 16.523.11.3010 on “Creation of Vacuum and Ion-Vacuum Processes for Thermochemical Treatment of Machine Parts with Creation of Nanostructured State of Diffusion Layers.”

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Authors and Affiliations

  1. N. É. Bauman Moscow State Technical University, Moscow, Russia

    M. M. Lashnev, A. E. Smirnov & M. Yu. Semenov

Authors
  1. M. M. Lashnev
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  2. A. E. Smirnov
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  3. M. Yu. Semenov
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Correspondence to A. E. Smirnov.

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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 1, pp. 29 – 33, January, 2013.

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Lashnev, M.M., Smirnov, A.E. & Semenov, M.Y. Use of vacuum carbonitriding for raising the seizure resistance of gears from steel VKS-10. Met Sci Heat Treat 55, 29–33 (2013). https://doi.org/10.1007/s11041-013-9574-z

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  • DOI: https://doi.org/10.1007/s11041-013-9574-z

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