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Mechanism of Sigma-Phase Formation in the Fe-V System

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Abstract

The phase transformations in the Fe-rich part of the Fe-V system were studied by x-ray diffraction and electron microscopy. The results demonstrate that the σ phase exists in the range 650–1219°C and is formed directly from a solid solution of V in α-Fe, with no B2 ordering. Below 650°C, the solid solution phase-separates, and strongly Fe-enriched grains are formed. The Fe-V phase diagram inferred from these results is presented.

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Authors and Affiliations

  1. Physicotechnical Institute, Udmurt Scientific Center, Ural Division, Russian Academy of Sciences, ul. Kirova 132, Izhevsk, 426000, Russia

    Yu. I. Ustinovshchikov, B. E. Pushkarev & I. V. Sapegina

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  1. Yu. I. Ustinovshchikov
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  2. B. E. Pushkarev
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  3. I. V. Sapegina
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Translated from Neorganicheskie Materialy, Vol. 41, No. 8, 2005, pp. 938–943.

Original Russian Text Copyright © 2005 by Ustinovshchikov, Pushkarev, Sapegina.

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Ustinovshchikov, Y.I., Pushkarev, B.E. & Sapegina, I.V. Mechanism of Sigma-Phase Formation in the Fe-V System. Inorg Mater 41, 822–826 (2005). https://doi.org/10.1007/s10789-005-0219-5

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  • DOI: https://doi.org/10.1007/s10789-005-0219-5

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