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Heat treatment of the YuNDK35T5 alloy

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

Conclusions

  1. 1.

    On the basis of the diagram of the isothermal transformation of the β2-solution in the YuNDK35T5 alloy we have shown the possibility of quenching this alloy from two temperature ranges: 1260–1240 and 900–850°C.

The cooling rate at the higher temperatures must be no lower than 100°/min. A lower cooling rate induces high temperature decomposition, and as the result there is a sharp decrease of the magnetic qualities.

  1. 2.

    Cooling at 820–600°C must be carried out at the rate of 20–30°/min.

  2. 3.

    We recommend isothermal treatment at the temperature at which the decomposition is most intense (700°C).

  3. 4.

    External magnetic field is effective at the temperature at which the decomposition begins (formation of nuclei). When the cooling rate is about 20°/min the magnetic field is effective at 800–760°C.

  4. 5.

    One must use multistage tempering for the YuNDK35T5 alloy.

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Literature cited

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Authors and Affiliations

  1. Saratov Polytechnical Institute, Saratov, USSR

    V. K. Baitina, K. I. Vlaskina & Ya. M. Dovgalevskii

Authors
  1. V. K. Baitina
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  2. K. I. Vlaskina
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  3. Ya. M. Dovgalevskii
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Translated from metallovedenie i Termicheskaya Obrabotka Metallov, No. 2, pp. 11–16, February, 1965

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Baitina, V.K., Vlaskina, K.I. & Dovgalevskii, Y.M. Heat treatment of the YuNDK35T5 alloy. Met Sci Heat Treat 7, 81–86 (1965). https://doi.org/10.1007/BF00655808

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  • DOI: https://doi.org/10.1007/BF00655808

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