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Phases precipitated in grain boundaries during slow cooling of maraging steels

  • Maraging Steels
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Metal Science and Heat Treatment Aims and scope

Conclusions

Maraging steels ÉP678, ÉP679, and ÉP699 cooled slowly from 1250° show precipitates of various phases in the grain boundaries, mainly titanium carbonitrides, the size and quantity of which increase with cooling. With cooling to 950–850° there are also particles that consist of titanium with oxygen, nitrogen, and carbon. These particles in the grain boundaries can cause embrittlement of the steels.

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Literature cited

  1. Yu. A. Larichev, A. F. Goncharov, and P. A. Prokhorov, “Embrittlement of maraging steel N18K8M3TYu after slow cooling from high temperatures”, Metal. i Term. Obrabotka Metal., 10 29–31 (1972).

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Authors
  1. S. G. Chernyavskaya
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  2. Yu. I. Rusinovich
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  3. V. S. Fridman
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  4. S. I. Krasnikova
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  5. A. V. Drobot
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  6. A. F. Lednyanskii
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  7. P. G. Lapin
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Additional information

Dnepropetrovsk State University. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 10, pp. 45–47, October, 1974.

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Chernyavskaya, S.G., Rusinovich, Y.I., Fridman, V.S. et al. Phases precipitated in grain boundaries during slow cooling of maraging steels. Met Sci Heat Treat 16, 862–863 (1974). https://doi.org/10.1007/BF00664254

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  • DOI: https://doi.org/10.1007/BF00664254

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