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The new heat-resistant spring alloy 70NKhBMYu

  • Precision Alloys
  • Published:
Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    The new precipitation-hardening spring alloy 70NKhBMYu has a high ductility in the quenched condition, making it possible to manufacture elastic elements of complex shape by cold die stamping. After aging, the alloy has high mechanical properties, particularly the elastic limit.

  2. 2.

    The high relaxation resistance of the alloy at 500–550°C makes it possible to recommend it for prolonged operation at these temperatures in the form of elastic sensing elements.

  3. 3.

    The hardening of the alloy results from decomposition of the supersaturated solid solution with precipitation of finely dispersed phase of the Ni3Nb type.

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Literature cited

  1. F. Haynes, J. of Inst. of Metals,6, No. 4 (1962).

  2. B. G. Livshits and V. V. Osvenskii, Izv. Akad. Nauk SSSR, OTN, Metallurgiya i Toplivo, No. 1 (1962).

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  4. L. V. Barseg'yan et al., Precision Alloys, Collection of Reports of the Central Scientific-Research Institute of Ferrous Metallurgy [in Russian], No. 64, Metallurgiya, Moscow (1968).

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  8. G. A. Danilina et al., in: Transactions of the Scientific-Research Institute of Thermal Apparatus [in Russian], Coll. No. 4 (1962).

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Authors
  1. B. G. Belov
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  2. S. N. Platova
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  3. L. V. Barseg'yan
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Additional information

Central Scientific-Research Institute of Ferrous Metallurgy. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 2, pp. 25–28, February, 1970.

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Belov, B.G., Platova, S.N. & Barseg'yan, L.V. The new heat-resistant spring alloy 70NKhBMYu. Met Sci Heat Treat 12, 112–115 (1970). https://doi.org/10.1007/BF00695888

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  • DOI: https://doi.org/10.1007/BF00695888

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