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Structural and phase inhomogeneity of cast corrosion-resistant steels of the austenitic class

  • Corrosion-resistant Steels
  • Published:
Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    The kinetic dependence of the amount of nontransformed ferrite on the speed of crystallization is nonmonotonic; this has to do with the thermal conditions and liquation phenomena in the forming of large ingots of austenitic corrosion-resistant steels.

  2. 2.

    In steels type Kh18N10T microliquation of nickel is direct, of chromium inverse. The maximal chemical inhomogeneity of sulfur, nickel, and titanium found in steel ingots is due to dendritic liquation, interphase redistribution, and chemical interaction between these elements.

  3. 3.

    Intergranular fracture of titanium-containing corrosion-resistant steels can be initiated by titanium carbosulfides which embrittle the austenitic matrix both in temperature ranges near the solidus and at normal temperature.

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Authors
  1. P. K. Galenko
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  2. G. A. Dubenets
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  3. O. E. Ivanova
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  4. V. A. Chumachenko
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Additional information

Udmurt State University, Izhevsk. Production Association Izhorskii Zavod, St. Petersburg. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 6, pp. 27–31, June, 1992.

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Galenko, P.K., Dubenets, G.A., Ivanova, O.E. et al. Structural and phase inhomogeneity of cast corrosion-resistant steels of the austenitic class. Met Sci Heat Treat 34, 395–401 (1992). https://doi.org/10.1007/BF00769750

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  • DOI: https://doi.org/10.1007/BF00769750

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