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Abnormal changes in properties of alloys during structural transformations

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Metal Science and Heat Treatment of Metals Aims and scope

Conclusions

Electrical conductivity suffers an abnormal and significant rise, and the resistance to plastic deformation (hardness) a considerable fall, during the isothermal transformation of austenitic alloys, at the time when the transformation is occurring fastest.

The anomalous changes in properties are evidence of a special condition in the alloy during transformation, with a weakening of interatomic bonds and an acceleration of plastic deformation and electron transfer. A cautious approach is therefore needed to the interpretation of resistivity curves, obtained during transformation rather than after stabilizing the alloy by quenching.

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References

  1. P. Ya, Kayushnikov, Hot Working of Metals. [Book, in Russian]. Oborongiz, 1956.

  2. V. G. Vorob'ev, Temporary Changes in Mechanical Properties [of Steel] During Phase Transformations. Metallovedenie i Obrabotka Metallov, 1958, (3), 35–38. [Available as HB Translation No. 4175].

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  3. A. A. Gol'denberg, Relief of Stresses in Quenched 1. 20% Carbon Tool Steel U 12A. Ibid., 1958, (2), 6–11. [HB Translation No. 4146,]; and (10), 11–17. [HB Translation No. 4389].

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  4. M. E. Blanter and P. V. Novikov, Ibid., 1957, (6), 11–14.

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Authors and Affiliations

  1. All-Union Mechanical Institute for Home Study (VZMI), USSR

    M. E. Blanter & A. K. Mashkov

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  1. M. E. Blanter
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  2. A. K. Mashkov
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Blanter, M.E., Mashkov, A.K. Abnormal changes in properties of alloys during structural transformations. Met Sci Heat Treat 1, 7–10 (1959). https://doi.org/10.1007/BF00807920

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  • DOI: https://doi.org/10.1007/BF00807920

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