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Hardening of low-carbon improved steel by secondary hardening

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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    The strenght of steel 12KhN3A can be increased by secondary hardening without reducing the toughness.

  2. 2.

    Secondary hardening is most effective in steel jointly alloyed with molybdenum and vanadium.

  3. 3.

    The softening preceding secondar,, hardening is due to the decomposition of martensite and the formation of highly dispersed sorbite.

  4. 4.

    Alloyed low-carbon steels that are strengthened by secondary hardening can be classified as sorbite-hardening.

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Literature cited

  1. V. Zackay et al., Metal Progress,80, No. 3 (1961).

  2. L. I. Kagan et al., Problems of Metal Science and Physics of Metals, No. 8 [in Russian], Metallurgiya, Moscow (1964).

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  3. J. Murray, in: High-Strength Steel [Russian translation] Metallurgiya, Moscow (1964).

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Authors
  1. O. G. Sokolov
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  2. V. A. Malyshevkii
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Additional information

Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 10, pp. 58–60, October, 1971.

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Sokolov, O.G., Malyshevkii, V.A. Hardening of low-carbon improved steel by secondary hardening. Met Sci Heat Treat 13, 864–867 (1971). https://doi.org/10.1007/BF00713826

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  • DOI: https://doi.org/10.1007/BF00713826

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