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Kinetics of phase transformations in a binary alloy surface layer at the selective dissolution. II. Ag-Au|Ag+* system

  • Physicochemical Processes at the Interfaces
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Abstract

Based on the theoretical investigation [1], the conditions of phase transformation of gold on Ag-Au alloy surfaces, which are selectively dissolved in a nitrate environment at the overcritical anodic polarization, are experimentally found. Kinetic regularities of the formation of Au° individual gold phase on the alloy surface depending on the alloy composition and overpotential, as well as on the presence of surface active organic substances in the solutions and the passivating alloying additives in the alloy are determined.

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Authors and Affiliations

  1. Voronezh State University, Universitetskaya pl. 1, Voronezh, 394006, Russia

    O. A. Kozaderov, A. V. Vvedenskii & O. V. Koroleva

Authors
  1. O. A. Kozaderov
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  2. A. V. Vvedenskii
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  3. O. V. Koroleva
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Correspondence to O. A. Kozaderov.

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Original Russian Text © O.A. Kozaderov, A.V. Vvedenskii, O.V. Koroleva, 2009, published in Fizikokhimiya Poverkhnosti i Zashchita Materialov, 2009, Vol. 45, no. 3, pp. 259–264.

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Kozaderov, O.A., Vvedenskii, A.V. & Koroleva, O.V. Kinetics of phase transformations in a binary alloy surface layer at the selective dissolution. II. Ag-Au|Ag+* system. Prot Met Phys Chem Surf 45, 277–282 (2009). https://doi.org/10.1134/S2070205109030022

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  • DOI: https://doi.org/10.1134/S2070205109030022

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