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Influence of thermomechanical working on the failure resistance of U8A steel

  • Strength Properties
  • Published:
Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    With a decrease in austenitic grain size and the creation of a developed substructure within the limits of a single grain size with high-temperature thermomechanical working the impact strength, work for crack propagation, and share of ductile constituent in the fracture increase in comparison with induction hardening.

  2. 2.

    High-temperature thermomechanical working promotes the obtaining of martensite in which the processes of self-tempering to a two-phase mechanism occur more fully than with treatment by other methods.

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Literature cited

  1. B. A. Drozdovskii and Ya. B. Fridman, The Influence of a Crack on the Mechanical Properties of Constructional Steels [in Russian], Metallurgizdat, Moscow (1960).

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  2. A. P. Gulyaev, “The separation of impact strength into its components from test data of samples with different notches,” Zavod. Lab.,33, No. 4, 473–475 (1967).

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  3. M. A. Shtremel' and L. M. Kaputkina, Kristallographiya,15, No. 3, 443–447 (1970).

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Authors
  1. I. I. Sumina
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Additional information

Karavaevo Kostroma Agricultural Institute. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 2, pp. 31–34, February, 1984.

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Sumina, I.I. Influence of thermomechanical working on the failure resistance of U8A steel. Met Sci Heat Treat 26, 132–137 (1984). https://doi.org/10.1007/BF00707162

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  • DOI: https://doi.org/10.1007/BF00707162

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