| Issue |
MATEC Web Conf.
Volume 129, 2017
International Conference on Modern Trends in Manufacturing Technologies and Equipment (ICMTMTE 2017)
|
|
|---|---|---|
| Article Number | 02033 | |
| Number of page(s) | 4 | |
| Section | Advanced Materials and Coatings | |
| DOI | https://doi.org/10.1051/matecconf/201712902033 | |
| Published online | 07 November 2017 | |
Formation and properties of composite nanostructured PEO-coatings on metals and alloys
1
Institute of Chemistry Far Eastern Branch of Russian Academy of Sciences, 690022 Vladivostok, 159 100-letiya Vladivostoka Pr., Russia
2
Far Eastern Federal University, 690950, Vladivostok, 8 Sukhanova St., Russia
* Corresponding author: madiva@inbox.ru
Results of investigation of the incorporation of zirconia and titanium nitride nanoparticles into the coatings formed on magnesium alloy by plasma electrolytic oxidation are presented. Comprehensive research of electrochemical and mechanical properties of obtained coatings was carried out. It was established that the polarization resistance of the samples with a coating containing zirconia nanoparticles is in two fold higher than for the sample with base PEO-coating. One of the important reasons for improving the protective properties of coatings formed in electrolytes containing nanoparticles consists in enhanced morphological characteristics, in particular, the porosity decrease and increase of thickness and resistivity of porousless sublayer in comparison with base PEO-layer. Incorporation of zirconia and titanium nitride particles into the coating increases the mechanical performances. The coating containing nanoparticles have greater hardness and are more wear resistant in comparison with the coatings formed in the electrolyte without nanoparticle.
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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