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Effect of TiO2 Concentration on Microstructure and Properties of Composite Cu–Sn–TiO2 Coatings Obtained by Electrodeposition
Abstrakt
In this work, Cu–Sn–TiO2 composite coatings were electrochemically obtained from a sulfate bath containing 0–10 g/L of TiO2 nanoparticles. The effect of TiO2 particles on kinetics of cathodic electrodeposition has been studied by linear sweep voltammetry and chronopotentiometry. As compared to the Cu–Sn alloy, the Cu–Sn–TiO2 composite coatings show rougher surfaces with TiO2 agglomerates embedded in the metal matrix. The highest average amount of included TiO2 is 1.7 wt.%, in the case of the bath containing 5 g/L thereof. Composite coatings showed significantly improved antibacterial properties towards E. coli ATCC 8739 bacteria as compared to the Cu–Sn coatings of the same composition. Such improvement has been connected with the corrosion resistance of the composites studied by linear polarization and electrochemical impedance spectroscopy. In the bacterial media and 3% NaCl solutions, Cu–Sn–TiO2 composite coatings have lower corrosion resistance as compared to Cu–Sn alloys, which is caused by the nonuniformity of the surface.
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Autorzy (7)
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Aliaksandr Kasach
- Belarusian State Technological University
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Dmitry Kharitonov Dr.
- Jerzy Haber Institute of Catalysis and Surface Chemistry
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Andrei Paspelau
- Belarusian State Technological University
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Denis Sergievich
- Belarusian State Technological University
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Ivan Zharskii
- Belarusian State Technological University
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Irina Kurilo Prof.
- Belarusian State Technological University
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Pełna treść
- Wersja publikacji
- Accepted albo Published Version
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.3390/ma14206179
- Licencja
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otwiera się w nowej karcie
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach
- Opublikowano w:
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Materials
nr 14,
ISSN: 1996-1944 - Język:
- angielski
- Rok wydania:
- 2021
- Opis bibliograficzny:
- Kasach A., Kharitonov D., Paspelau A., Ryl J., Sergievich D., Zharskii I., Kurilo I.: Effect of TiO2 Concentration on Microstructure and Properties of Composite Cu–Sn–TiO2 Coatings Obtained by Electrodeposition// Materials -,iss. 14 (2021), s.6179-
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.3390/ma14206179
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 120 razy
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