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Embrittlement of steel VNS-2 aging

  • Maraging Steels
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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    Embrittlement of steel VNS-2 with low content of residual austenite (3–5%) is due to the segregation of a large amount of particles of ɛ-phase about 7 nm in size during aging by the standard regime; these particles rigidly lock dislocations.

  2. 2.

    Maximal strengthening of steel VNS-2 not accompanied by its embrittlement is attained when particles 10 nm in size are segregated in the process of aging at 460–480°C 1–3h. Longer holding at these temperatures leads to overaging of the steel and impairment of the strength properties.

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Literature cited

  1. Yu. F. Orzhekhovskii, S. R. Birman, and Ya. M. Potak, "Properties of stainless maraging steel 08Kh15N5D2T", Stal', No. 6, 545–547 (1972).

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

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  3. O. L. Bendryshev, V. V. Alekseev, and V. I. Silina, "Special technological features of the maraging steels VNS-2 and ÉP817", Metalloved. Term. Obrab. Met., No. 1, 48–50 (1984).

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  4. S. P. Birman, Economically Alloyed Maraging Steels [in Russian], Metallurgiya, Moscow (1974).

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Authors
  1. v. P. Zryumov
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  2. B. I. Golovko
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  3. E. V. Mazunina
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Additional information

Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 4, pp. 14–16, April, 1989.

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Zryumov, v.P., Golovko, B.I. & Mazunina, E.V. Embrittlement of steel VNS-2 aging. Met Sci Heat Treat 31, 251–254 (1989). https://doi.org/10.1007/BF00715796

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  • DOI: https://doi.org/10.1007/BF00715796

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