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Investigation of the carbide phase in W−Mo high-speed steels


  1. 1.

    Equiatomic replacement of tungsten with molybdenum up to K=0.7 also leads to equiatomic replacement in carbides; with further substitution the percentage of molybdenum in the carbide increases.

  2. 2.

    The solubility of the carbide in the steel is highest with K=0.7.

  3. 3.

    The replacement of tungsten with molybdenum in high-speed steel is advisable.

Taking into account the solubility of carbide in austenite, the properties are optimal with K=0.7, which is numerically equal to the same wt. % of tungsten and molybdenum in the steel.

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Literature cited

  1. 1.

    A. P. Gulyaev et al., Zavod. Lab., No. 3 (1965).

  2. 2.

    Metals Handbook, ASM, Cleveland (1948), p. 1257.

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    Tomo-o Sato, J. Japan Inst. Metals,24, No. 7 (1960).

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    Ya. S. Umanskii and N. T. Chebotarev, Izv. Akad. Nauk SSSR, Ser. Fiz., No. 1 (1951).

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    A. P. Gulyaev, Stanki i Instrument, No. 2-3 (1946).

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Additional information

Central Scientific-Research Institute of Ferrous Metallurgy. All-Union Instrument Research Institute. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 8, pp. 26–28, August 1972.

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Gulyaev, A.P., Kupalova, I.K. & Baikov, A.M. Investigation of the carbide phase in W−Mo high-speed steels. Met Sci Heat Treat 14, 680–682 (1972).

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  • Carbide
  • Austenite
  • Tungsten
  • Molybdenum
  • Carbide Phase