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Hardening of die steels by high-temperature thermomechanical treatment

  • All-Union Conference on Modern Methods of Strengthening Machine Parts by Heat Treatment
  • Published:
Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    High-temperature plastic deformation inhibits the intermediate transformation in steels 5 KhNV, 4Kh5MFS, 4Kh4M2VFS, and 3Kh2V8F, which leads to an increase of the hardenability.

  2. 2.

    The increase in strength due to thermomechanical treatment is retained in tempering only for steels that undergo precipitation hardening.

  3. 3.

    The strength characteristics of these steels improve substantially at room and elevated temperatures after deformation at a temperature below Ac3. HTTMT reduces the tendency to brittle fracture of steels 4Kh5MFS and 4Kh4M2VFS only with deformation at 1000°C.

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Literature cited

  1. M. L. Bernshtein, Thermomechanical Treatment of Metals and Alloys, [in Russian], Vol. 2, Metallurgiya, Moscow (1968), pp. 597–1171.

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  5. V. M. Zuev and Yu. A. Geller, "Steels for hot-working dies," Metal. i Term. Obrabotka Metal., No. 1, 43 (1969).

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Authors
  1. M. A. Smirnov
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  2. M. M. Shteinberg
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  3. L. G. Gurevich
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  4. V. I. Filatov
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  5. T. S. Shilkova
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Additional information

Chelyabinsk Polytechnical Institute. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 9, pp. 29–31, September, 1973.

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Smirnov, M.A., Shteinberg, M.M., Gurevich, L.G. et al. Hardening of die steels by high-temperature thermomechanical treatment. Met Sci Heat Treat 15, 759–762 (1973). https://doi.org/10.1007/BF00656287

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  • DOI: https://doi.org/10.1007/BF00656287

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