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Deformation characteristics of maraging steel at different temperatures

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Conclusions

  1. 1.

    Two peaks were observed on the curves of plasticity vs testing temperature during heating and cooling.

  2. 2.

    The maximum plasticity at 240o (cooling) is due to the initial stages of the martensitic γ→α transformation, and at 650o to the shift of the fracture mechanism (from intergranular to transcrystalline).

  3. 3.

    The maximum plasticity at 600o (heating) is due to the initial stages of the reverse α→γ martensitic transformation, and at 740o to the development of recrystallization processes.

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Literature cited

  1. 1.

    M. Kh. Shorshorov et al., Superplasticity of Metallic Materials [in Russian], Nauka, Moscow (1973), p. 218.

  2. 2.

    A. A. Presnyakov, N. Ya. Seimin, and R. K. Aubakirova, "True superplasticity", Izv. Akad. Nauk SSSR, Metally, 1, 106–108 (1971).

  3. 3.

    K. P. Gurov, M. Yu. Shorshorov, and A. S. Tikhonov, "Theory of superplasticity", Fiz. Metal. Metalloved.,34, 6, 1145–1149 (1972).

  4. 4.

    A. P. Gulyaev and L. P. Sarmanova, "High-temperature plasticity of carbon steels", Metal. i Term. Obrabotka Metal., 4, 43–47 (1972).

  5. 5.

    M. E. Blanter and A. K. Mashkov, "Anomalous changes in properties in the process of phase transformations", Metal. i Term. Obrabotka Metal., 1, 6–10 (1959).

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Additional information

S. M. Kirov Ural Polytechnical Institute. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 7, pp. 28–31, July, 1975.

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Bogachev, I.N., Maslakova, T.M. Deformation characteristics of maraging steel at different temperatures. Met Sci Heat Treat 17, 575–577 (1975). https://doi.org/10.1007/BF00680404

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Keywords

  • Recrystallization
  • Fracture Mechanism
  • Testing Temperature
  • Martensitic Transformation
  • Deformation Characteristic