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Microstructure of single crystals of austenitic stainless steel

  • Solid State Physics
  • Published:
Russian Physics Journal Aims and scope

Abstract

Auger spectroscopy and x-ray structure analysis have been used to study the chemical and phase inhomogeneity in single crystals of the austenitic nitrided stainless steel Cr22Ni17Mo3 with various morphologies of the dendritic structure. In single crystals grown in the 〈100〉 direction with a classical dendritic structure the interaxial regions are highly enriched with S, N, and C and weakly enriched with Mo, V, and Mn. At the same time these regions have a high density of particles of the type Me23C6, Me7C3, and vanadium carbonitrides, oriented in the growth direction. The axial regions have a subcellular structure, with oxygen-rich subcell boundaries. In single crystals with growth direction close to 〈110〉, in which only secondary dendrite axes are formed, the alloying elements, impurities, and second-phase particles are distributed relatively uniformly throughout the ingot.

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Literature cited

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Authors
  1. I. V. Karmanchuk
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  2. A. Y. Koval'
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  3. N. V. Nikitina
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  4. L. M. Butkevich
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Additional information

V. D. Kuznetsov Siberian Physicotechnical Institute at Tomsk University. Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 10, pp. 3–6, October, 1992.

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Karmanchuk, I.V., Koval', A.Y., Nikitina, N.V. et al. Microstructure of single crystals of austenitic stainless steel. Russ Phys J 35, 899–901 (1992). https://doi.org/10.1007/BF00559879

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  • DOI: https://doi.org/10.1007/BF00559879

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