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Investigation of contact corrosion of anodic coatings depending on the type of polarization of materials of the base and coating

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Abstract

We propose a refined mathematical model for the fracture mechanism and prediction of durability of anodic coatings in seawater. Various types of polarization of materials of a coating and a base in electrolyte are considered. We investigate the influence of the thickness of electrolyte on fracture of anodic coatings. The results of the quantitative investigations performed enable us to propose certain recommendations concerning the optimal choice of the material of a coating depending on the geometric sizes of possible through damages in it. For noninteracting small strips-damages, we established the existence of a critical thickness of the electrolyte, for which the density of the corrosion current increased by 30–35%.

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References

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Authors
  1. P. R. Shevchuk
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  2. B. P. Halapats
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  3. Yu. V. Lakh
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Additional information

Pidstryhach Institute of Applied Problems in Mechanics and Mathematics, Ukrainian Academy of Sciences, L'viv. Translated from Matematychni Metody ta Fizyko-Mekhanichni Polya, Vol. 41, No. 2, pp. 90–95, April–June, 1998.

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Shevchuk, P.R., Halapats, B.P. & Lakh, Y.V. Investigation of contact corrosion of anodic coatings depending on the type of polarization of materials of the base and coating. J Math Sci 99, 1625–1630 (2000). https://doi.org/10.1007/BF02674185

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  • DOI: https://doi.org/10.1007/BF02674185

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