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Steel Protection Mechanism by Kortecor 867 Type Strengthened Polymer Coating

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Metallurgist Aims and scope

Impedance spectroscopy, optical microscopy, and electrochemistry are used to study processes beneath a Kortecor 867 coating. Impedance spectra are obtained, equivalent circuits are selected, and equivalent circuit parameters are determined. It is established that a Kortecor 867 coating 0.85 mm thick exhibits good insulating properties, low permeability for corrosive medium components, and it significantly increases time to the start of corrosion beneath a coating (induction period). It is established that with an increase in test time electrochemical reaction resistance for steel beneath a coating decreases, and this is due to a reduction in total pore surface; corrosion rate beneath a coating does not exceed 10–4 mm/year.

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Authors and Affiliations

  1. Vyksa Metallurgical Plant, Vyksa, Nizhnii Novgorod Oblast, Russia

    E. S. Ivanov

  2. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences (IFKhE RAN), Moscow, Russia

    A. L. Klyuev

  3. Kortekh Company, Moscow, Russia

    A. P. Larkov

Authors
  1. E. S. Ivanov
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  2. A. L. Klyuev
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  3. A. P. Larkov
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Correspondence to E. S. Ivanov.

Additional information

Translated from Metallurg, No. 6, pp. 86–91, June, 2013.

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Ivanov, E.S., Klyuev, A.L. & Larkov, A.P. Steel Protection Mechanism by Kortecor 867 Type Strengthened Polymer Coating. Metallurgist 57, 553–559 (2013). https://doi.org/10.1007/s11015-013-9769-y

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  • DOI: https://doi.org/10.1007/s11015-013-9769-y

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