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Effect of inheritance in deformed steel 20Kh

  • Theory
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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    After deformation at 600–800° the austenite grain size resulting from heating with double phase recrystallization is smaller than in the normalized steel. This indicates that the structure of the deformed steel is resistant and affects the formation of austenite grains during heating.

  2. 2.

    The finest grains of austenite are formed after preliminary deformation at 700°, which leads to considerable pulverization and spheroidization of cementite particles.

  3. 3.

    The higher strength and ductility of the deformed steel in comparison with the normalized steel after heat treatment are evidently due to austenite grain refining and inheritance of defects occurring during phase transformations.

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Literature cited

  1. V. D. Sadovskii, "Transformations during heating of steel," in: Fifth Scientific-Technical Conference on the Theory and Practice of Heat Treatment of Metals and Alloys [in Russian], Sverdlovsk (1963), p. 3.

  2. M. L. Bernshtein et al., "Inheritance of thermomechanical strengthening of steel 30Kh2GMT," Fiz. Met. Metalloved.,32, No. 4, 813 (1971).

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  3. V. I. Doroshko et al., "Effect of warm extrusion on the structure and properties of steel 20Kh," Metalloved. Term. Obrab. Met., No. 3, 56 (1976).

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Authors
  1. V. I. Doroshko
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  2. L. I. Kartashova
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  3. A. A. Andryushchuk
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  4. L. G. Yanitskii
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  5. K. K. Volchaninov
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Additional information

Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 4, pp. 17–18, April, 1979.

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Doroshko, V.I., Kartashova, L.I., Andryushchuk, A.A. et al. Effect of inheritance in deformed steel 20Kh. Met Sci Heat Treat 21, 262–264 (1979). https://doi.org/10.1007/BF00775103

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  • DOI: https://doi.org/10.1007/BF00775103

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