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Increasing the fatigue life of steel 40KhNMA by tempering under stress

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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    Tempering of quenched steel 40KhNMA under stress increases its resistance to small plastic deformations and the fatigue strength in tests for more than 106 cycles.

  2. 2.

    The effect of tempering under stress on the fatigue strength is evidently due to the longer period required for development of the fatigue crack.

  3. 3.

    Tempering under stress can be used as a strengthening treatment for machine parts.

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Literature cited

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Authors
  1. F. I. Shor
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  2. S. O. Suvorova
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  3. V. I. Sarrak
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  4. R. I. Éntin
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  5. V. M. Belov
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Additional information

I. P. Bardin Central Scientific-Research Institute of Ferrous Metallurgy. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 5, pp. 58–61, May, 1975.

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Shor, F.I., Suvorova, S.O., Sarrak, V.I. et al. Increasing the fatigue life of steel 40KhNMA by tempering under stress. Met Sci Heat Treat 17, 425–427 (1975). https://doi.org/10.1007/BF00663224

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  • DOI: https://doi.org/10.1007/BF00663224

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