Use of Combined Methods of Successive Carburizing and Nitriding of Martensitic Steels in Low-Pressure Atmospheres

The paper discusses combined conditions of saturating martensitic steel with carbon and nitrogen using low-pressure atmospheres. The studied conditions include pre-carburizing, hardening heat treatment, and finishing nitriding, as well as pre-nitriding, subsequent carburizing, and heat treatment. Acomparative analysis of the properties of steels obtained under different combined conditions was performed.

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Correspondence to A. E. Smirnov.

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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 2, pp. 25 – 30, February, 2020.

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Smirnov, A.E., Semenov, M.Y., Mokhova, A.S. et al. Use of Combined Methods of Successive Carburizing and Nitriding of Martensitic Steels in Low-Pressure Atmospheres. Met Sci Heat Treat (2020). https://doi.org/10.1007/s11041-020-00524-1

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Key words

  • martensitic steels
  • combined thermochemical treatment
  • low-pressure atmosphere treatment
  • precipitation-hardening cobalt-alloyed steels
  • high-carbon bearing steels
  • hardness
  • friction factor