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Superplasticity of transition and martensitic-class stainless steels

  • Strength Properties
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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    In the Md-Ms temperature range, Kh17N5M3, Kh15N4AM3, 08Kh15N5D2T, and 06Kh14N6D2MVT steels possess the effect of superplasticity.

  2. 2.

    The temperature of superplasticity tsp, the same as the Md-Ms range, depends upon the austenitizing temperature.

  3. 3.

    The structure formed at tsp does not have a significant influence on the strength and ductile properties of unnotched samples and the strength of samples with a notch tested with misalignment, but the fatigue life increases and the tendency toward corrosion cracking under stress decreases sharply.

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Literature cited

  1. Z. Nishijama, Sci. Rep. Tohaku Univ.,23, 637–664 (1934).

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  2. T. F. Volynova and A. P. Gulyaev, “Anomalies in plasticity and polymorphic transformation”, Metalloved. Term. Obrab. Met., No. 3, 24–27 (1981).

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  4. Ya. M. Potak, High Strength Steels [in Russian], Metallurgiya, Moscow (1972).

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Authors
  1. V. N. Gurashev
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  2. A. N. Mal'shakov
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  3. V. M. Grigor'ev
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Additional information

Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 8, pp. 2–5, August, 1983.

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Gurashev, V.N., Mal'shakov, A.N. & Grigor'ev, V.M. Superplasticity of transition and martensitic-class stainless steels. Met Sci Heat Treat 25, 557–561 (1983). https://doi.org/10.1007/BF00741912

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  • DOI: https://doi.org/10.1007/BF00741912

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