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Effect of surface cold hardening on the fatigue resistance of 18KhNVA steel at high temperatures

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Conclusions

Surface cold hardening increases the fatigue resistance of 18KhNVA steel with a martensitic structure (quenched and tempered at low temperature) at room temperature and at high temperatures. Cold hardening is particularly effective when the samples have stress concentrators (notches or pressed collars).

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Literature Cited

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    B. F. Balashov, in Coll: Increasing the Working Life of Machines [in Russian] (Mashgiz, 1956).

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    I. V. Kudryavtsev and N. M. Savvina, Problems of the Strength of Structural Steels [in Russian] (Trudy TsNIITMASh, Book 85, Mashgiz, 1957).

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Additional information

Central Scientific Research Institute of Machine Construction Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 9, pp. 33–37, September, 1963

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Kudryavtsev, I.V., Rymynova, E.V. Effect of surface cold hardening on the fatigue resistance of 18KhNVA steel at high temperatures. Met Sci Heat Treat 5, 521–525 (1963). https://doi.org/10.1007/BF00648964

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Keywords

  • Fatigue
  • Fatigue Resistance
  • Stress Concentrator
  • Martensitic Structure
  • Surface Cold