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Effect of titanium additives and nitrogen on austenite grain growth

  • Construction Steels
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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    Preliminary heating to 1300–1440°C and hardening of medium-and high-carbon steels containing titanium and nitrogen shows a considerable effect on austenite grain growth during subsequent heating. During this heating to 1100°C the grain actually does not grow but at higher temperatures up to 1320°C its retarded growth is observed. A rise in the preliminary heating temperature ensures an increase in the temperature range of retarded austenite grain growth.

  2. 2.

    Annealing at 600–700°C and normalization of steel even after high-temperature heating have no effect on grain growth during repeated heating.

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Authors
  1. Ya. N. Malinochka
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  2. T. M. Titova
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  3. P. L. Litvinenko
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Additional information

Dnepropetrovsk Institute of Ferrous Metallurgy. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 5, pp. 27–31, May, 1986.

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Malinochka, Y.N., Titova, T.M. & Litvinenko, P.L. Effect of titanium additives and nitrogen on austenite grain growth. Met Sci Heat Treat 28, 342–347 (1986). https://doi.org/10.1007/BF00814689

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  • DOI: https://doi.org/10.1007/BF00814689

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