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Thermocyclic regulation of the morphology and size distribution of eutectic carbides in high-speed steel

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Abstract

The influence of the temperature and time of softening thermocyclic annealing on the morphology and size distribution of carbides in high-speed steel is investigated. It is established that hot plasticity is facilitated by globular microstructure, when round carbides are uniformly distributed throughout the ferrite matrix. Thermocyclic treatment of high-speed steel creates a structural state with desirable carbide morphology. For maximum effectiveness, thermocyclic treatment is combined with holding at maximum and minimum temperatures. Research permits the development of thermocyclic treatment of hot-rolled high-speed steel bar in industrial chamber furnaces.

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Authors and Affiliations

  1. OAO Izhstal’, Izhevsk, Russia

    S. A. Zinchenko, M. I. Makhnev & P. A. Shamshurin

Authors
  1. S. A. Zinchenko
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  2. M. I. Makhnev
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  3. P. A. Shamshurin
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Additional information

Original Russian Text © S.A. Zinchenko, M.I. Makhnev, P.A. Shamshurin, 2010, published in “Stal’,” 2010, No. 7, pp. 108–115.

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Zinchenko, S.A., Makhnev, M.I. & Shamshurin, P.A. Thermocyclic regulation of the morphology and size distribution of eutectic carbides in high-speed steel. Steel Transl. 40, 676–683 (2010). https://doi.org/10.3103/S0967091210070168

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  • DOI: https://doi.org/10.3103/S0967091210070168

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