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The inheritance of strengthening in heat and thermomechanical treatments of steel

  • Thermomechanical Treatment
  • Published:
Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    The inheritance of strengthening during repeated quenching is absent in the case where the formation of austenite during heating occurs by the ordinary diffusion mechanism connected with complete recrystallization.

  2. 2.

    The inheritance of strengthening during repeated quenching of previously strengthened steel (quenching, TMT, or cold working) is evident in those cases where the formation of austenite with very rapid or very slow heating during repeated quenching occurs, by the mechanism characterized by structural inheritance.

  3. 3.

    The inheritance of strengthening during repeated quenching of structural steels makes it possible to obtain an ultimate strength 15kg/mm2 and a yield strength 20kg/mm2 higher with very rapid heating and 6 and 12 kg/mm2 higher with very slow heating (at ultimate strengths of 150–200 kg/mm2) as compared with ordinary quenching.

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Authors
  1. V. D. Sadovskii
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  2. A. B. Bukhalov
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  3. L. V. Smirnov
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Additional information

This article is based on previously published work [22].

Institute of Metal Physics of the Academy of Sciences of the USSR. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 12, pp. 13–21, December, 1969.

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Sadovskii, V.D., Bukhalov, A.B. & Smirnov, L.V. The inheritance of strengthening in heat and thermomechanical treatments of steel. Met Sci Heat Treat 11, 937–944 (1969). https://doi.org/10.1007/BF00654928

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  • DOI: https://doi.org/10.1007/BF00654928

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