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Structure and properties of a spring alloy for operation at low temperatures

  • Precision Alloys
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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    It was found that the spring alloy tested is suitable for elastic sensing elements. It is paramagnetic down to the temperature of liquid nitrogen.

  2. 2.

    The optimal heat treatment (quenching from 950° and aging at 700° for 4 h) ensures high ductility after quenching, and high strength and elasticity after aging. The alloy is resistant to relaxation in the temperature range from 250 to −196°.

  3. 3.

    The principal hardening phase is γ′ phase. The corrosion resistance of the alloy in 57% HNO3 at 20, 50, and 80° is no lower than that of alloy 36NKhTYu.

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Literature cited

  1. A. V. Smirnova, "Electron microscopic study of structural transformations in alloy 36NKhTYu," Metal. i Term. Obrabotka Metal., No. 11, 4 (1963).

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  2. B. G. Belov and D. G. Tufanov, "Effect of melting procedure on corrosion resistance of alloy ÉI 702," Metal. i Term. Obrabotka Metal., No. 10, 60 (1968).

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Authors
  1. B. G. Belov
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  2. E. K. Zakharov
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  3. L. V. Zubova
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  4. A. V. Smirnova
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Additional information

I. P. Bardin Central Scientific-Research Institute of Ferrous Metallurgy. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 3, pp. 47–49, March, 1976.

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Belov, B.G., Zakharov, E.K., Zubova, L.V. et al. Structure and properties of a spring alloy for operation at low temperatures. Met Sci Heat Treat 18, 238–240 (1976). https://doi.org/10.1007/BF00663485

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  • DOI: https://doi.org/10.1007/BF00663485

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