Nano-Dispersion Phase Components - Ratio Influence on Cr-Sio2-C Nano-СЕС Corrosion Resistance
Journal Title: ASIAN JOURNAL OF NATURAL & APPLIED SCIENCES - Year 2014, Vol 3, Issue 3
Abstract
The report presents the results of experiments on introduction of nano-size particles of silicon dioxide SiO2 (5-50 nm) and lamp soot C (11-100 nm) into chromium coatings and investigation of corrosion resistance in 3% NaCl solution. Nano-composition electrolytic coatings were received at the various density of current: 2, 3, 4, 5, 6, 7 kА/m2, temperature 303-343 K and nano-dispersion phase components’ ratio. The microstructure was investigated by electron- and atom-force microscope before and after corrosion tests. It was established, that nanostructured composition electrolytic coatings, which were obtained in electrolytes containing 18-14 g/dm3 SiO2 and 2-6 g/dm3 C, have the highest corrosion resistance.
Authors and Affiliations
G. Yar- Mukhamedova, M. Mukhtarova
Keywords
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