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Effect of deformation under conditions of superplasticity on the structure and properties of high-speed steels

  • Superplasticity of Metals and Alloys
  • Published:
Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    With different arrangements of straining high-speed steels as supplied, the effect of superplasticity manifests itself steadily.

  2. 2.

    Blanks of high-speed steels, strained under conditions of superplasticity, have minimum hardness, and this makes it possible to machine them without previous annealing.

  3. 3.

    Volumetric strain under conditions of superplasticity in combination with heat treatment is an efficient method of improving the structure and the mechanical properties of high-speed steels. As a result of strain under conditions of superplasticity, the initial structural inhomogeneity is eliminated, and a finely disperse homogeneous structure forms; this ensures a considerable increase in bending strength and hardness of these steels.

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Literature cited

  1. A. P. Gulyaev and L. M. Sarmanova, "Technological plasticity of high-speed steels", Metalloved. Term. Obrab. Met., No. 7, 2 (1969).

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  2. A. S. Bazyk et al., Device for Investigating Processes of Changing Shape of Superplastic Metallic Materials [in Russian], Dep. No. 1147 TsNIITIÉIpriborostroeniya (1979).

  3. A. V. Galakhov et al., "Effect of the arrangement of the state of stress on the manifestation of the effect of superplasticity", Fiz. Khim. Obrab. Mater., No. 2, 95 (1977).

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  4. A. S. Bazyk, A. S. Pustovgar, and M. V. Kazakov, "Extrusion of tool blanks using the effect of superplasticity", KShP, No. 6, 5 (1978).

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  5. A. S. Bazyk and V. G. Boiko, "Selection of the conditions of volumetric change of shape of superplastic materials", KShP, No. 3, 2 (1980).

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  6. Tool Steels. Handbook [in Russian], Metallurgiya, Moscow (1977).

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Authors
  1. A. S. Bazyk
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  2. A. S. Pustovgar
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  3. M. V. Kazakov
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  4. A. E. Gvozdev
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Additional information

Tula Polytechnic Institute. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 3, pp. 21–24, March, 1981.

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Bazyk, A.S., Pustovgar, A.S., Kazakov, M.V. et al. Effect of deformation under conditions of superplasticity on the structure and properties of high-speed steels. Met Sci Heat Treat 23, 174–178 (1981). https://doi.org/10.1007/BF00769609

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  • DOI: https://doi.org/10.1007/BF00769609

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