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Change in the size of articles during heat treatment

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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    Dimensions of machine parts made of high strength steels (ShKh15, for example) increase by an average of 1 micron/mm of length or diameter after quenching and low temperature tempering.

  2. 2.

    The greatest change in the dimensions (increase of several microns/mm of diameter) of ShKh15 parts occurs after stabilizing tempering at 250°C. Under these conditions, residual austenite is almost completely transformed into martensite.

  3. 3.

    The dimensions of machine parts which are stable at normal temperature change when heated to the temperature of the initial tempering or higher during use.

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Authors
  1. A. K. Cheburkov
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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 7, pp. 55–57, July, 1965

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Cheburkov, A.K. Change in the size of articles during heat treatment. Met Sci Heat Treat 7, 477–478 (1966). https://doi.org/10.1007/BF00650734

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  • DOI: https://doi.org/10.1007/BF00650734

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