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Effect of cold hydrostatic extrusion on the structure and properties of tool steels

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

Conclusions

  1. 1.

    Cold hydrostatic extrusion under optimal conditions has a positive effect on the structure and properties of high-speed and die steels (Kh12M, Kh12F1).

  2. 2.

    Hydrostatic extrusion reduces the carbide heterogeneity, produces finer austenite grains, increases the bending strength 10–20% and the fracture toughness as much as 60%, and increases the red hardness some-what.

  3. 3.

    The service life of metal-cutting tools manufactured from hydrostatically extruded steels increases 50–100% and that of dies by 200–300%.

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Literature cited

  1. L. V. Prozorov, A. A. Kostava, and V. D. Revtov, Hydrostatic Pressing of Metals [in Russian], Mashinostroenie, Moscow (1972).

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  2. A. I. Kolpashnikov and V. A. Vyalov, Hydrostatic Pressing of Metals [in Russian], Metallurgiya, Moscow (1973).

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  3. Yu. F. Chernyi et al., "Commercial use of hydrostatic pressing for tools of steels R18, R12, and R9," Kuznechno-Shtampovochnoe Proizvod., No. 8, 11 (1971).

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  4. Yu. F. Chernyi, V. Z. Spuskanyuk, and A. A. Lyadskaya, "Cold plastic deformation of steel R18 by means of hydrostatic extrusion," Kuznechno-Shtampovochnoe Proizvod., No. 5, 12 (1971).

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  5. Yu. F. Chernyi, V. Z. Spuskanyuk, and A. A. Lyadskaya, "Effect of die geometry on the plasticity, structure, and properties of steels subjected to cold hydrostatic extrusion," Kuznechno-Shtampovochnoe Proizvod., No. 6, 11 (1973).

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  6. Yu. A. Geller, Tool Steels [in Russian], Metallurgiya, Moscow (1975).

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Authors
  1. Yu. F. Chernyi
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  2. V. Z. Spuskanyuk
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  3. A. A. Lyadskaya
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Additional information

Donets Physicotechnical Institute, Academy of Sciences of the Ukrainian SSR. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 11, pp. 45–48, November, 1977.

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Chernyi, Y.F., Spuskanyuk, V.Z. & Lyadskaya, A.A. Effect of cold hydrostatic extrusion on the structure and properties of tool steels. Met Sci Heat Treat 19, 966–969 (1977). https://doi.org/10.1007/BF00670168

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  • DOI: https://doi.org/10.1007/BF00670168

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