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Relationship between the electrochemical behavior of phosphides and amorphous iron alloys that contain chromium and phosphorus

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A study is made of the electrochemical behavior of a chromium-and phosphorus-bearing iron alloy and phosphides of iron and chromium. It is established that a high (more than 10 at. %) phosphorus content has a positive effect on the passivability of the alloy and the phosphides. It is conjectured that phosphorus forms a covalent bond with chromium and that compounds of the Cr-P type accumulate on the surface during dissolution, thereby facilitating passivation of the alloy.

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Authors and Affiliations

  1. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 31 Leninskii Av., 119991, Moscow GSP-1, Russia

    M. V. Gerasimov

  2. Russian Science Center Kurchatov Institute, Kurchatov, Russia

    Yu. N. Simirskii

Authors
  1. M. V. Gerasimov
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  2. Yu. N. Simirskii
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Correspondence to M. V. Gerasimov.

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Translated from Metallurg, No. 8, pp. 57–60, August, 2008.

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Gerasimov, M.V., Simirskii, Y.N. Relationship between the electrochemical behavior of phosphides and amorphous iron alloys that contain chromium and phosphorus. Metallurgist 52, 477–481 (2008). https://doi.org/10.1007/s11015-008-9064-5

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  • DOI: https://doi.org/10.1007/s11015-008-9064-5

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