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Heat treatment of wear resistant and tool bimetals

  • Tool Steels and Alloys
  • Published:
Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    In selecting steels for wear resistant bimetals the possibility of joint heat treatment must be considered along with the operating characteristics.

  2. 2.

    Heat treatment conditions for bimetals ensuring quenching of the wear resistant or cutting layer to the necessary hardness with retention of toughness and ductility of the base metal can be determined from conbined T-T-T diagrams with use of the compatibility criteria — the isothermal compatibility factor over 10 and the thermokinetic compatibility factor over 100.

  3. 3.

    Using the combined diagrams and the compatibility criteria, one can determine scientifically the system of alloying for the components of selfsharpening, wear resistant, and tool bimetals used in the heat treated condition.

  4. 4.

    In terms of thermal compatibility, the most suitable base metal for wear resistant and tool bimetals is carbon steel with ≥0.55% C. It is also possible to use steels alloyed with up to 1% Mn — of the 20–40 G or 20 KhG type.

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Authors
  1. S. A. Golovanenko
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Additional information

Central Scientific-Research Institute of Ferrous Metallurgy. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 1, pp. 42–47, January, 1972.

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Golovanenko, S.A. Heat treatment of wear resistant and tool bimetals. Met Sci Heat Treat 14, 43–47 (1972). https://doi.org/10.1007/BF00658346

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  • DOI: https://doi.org/10.1007/BF00658346

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