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Content available Microstructure and Corrosion Behaviour of Co-Mo/TiO2 Nano-Composite Coatings Formed on Disk and Wire Electrodes by Electrodeposition
Krawiec H., Vignal V., Latkiewicz M.
Archives of Metallurgy and Materials
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2019
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Vol. 64, iss. 1
23--28
EN
The influence of the electrode geometry on the microstructure and corrosion behaviour of Co-Mo nano-crystalline coatings elaborated by electrodeposition is studied. The corrosion behaviour was determined in the Ringer’s solution at 25°C. Electrodeposition mechanisms are also discussed as a function of the electrode geometry. The electrode geometry was found to affect the growth rate and, under certain conditions, the microstructure (existence of channels and pores). It does not have influence on the corrosion behaviour.
2
Content available Influence of Dissolved Oxygen on the Corrosion Behaviour in Ringer's Solution and Artificial Saliva of Co-Mo Nano-Crystalline Coatings Electrodeposited on Co and 316L Substrates
Vignal V., Krawiec H., Latkiewicz M.
Archives of Metallurgy and Materials
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2019
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Vol. 64, iss. 1
39--43
EN
The influence on the corrosion behaviour of Co-Mo nano-crystalline coatings of dissolved oxygen is studied in the Ringer’s solution and artificial saliva at 25°C. This was done by means of potentiodynamic tests and surface observations. It was shown that dissolved oxygen has no influence on passivity, oxidation of the coating and selective dissolution of cobalt. By contrast, dissolved oxygen affects corrosion. General corrosion was observed in the Ringer’s solution whereas pitting corrosion was found in artificial saliva.
3
Content available remote Influence of processing parameters on the microstructure, mechanical properties and corrosion behaviour in Ringer’s solution of Co-Mo coatings electrodeposited on pure Co
Latkiewicz M., Krawiec H., Vignal V.
Ochrona przed Korozją
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2016
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nr 5
187--190
EN
The microstructure and the corrosion behaviour in the Ringer’s solution of Co-Mo coatings electrodeposited on pure Co is investigated using a microcapillary with a diameter of 300 μm. The presence of defects (cracks and pores) and the oxygen content are important parameters affecting the electrochemical behaviour of coatings.
PL
Mikrostruktura i korozyjne zachowanie się elektrochemicznie osadzonych powłok Co-Mo na powierzchni kobaltu było badane w roztworze Ringera przy użyciu mikrokapilary o średnicy 300 μm. Badania wykazały, że parametrami mającymi istotny wpływ na elektrochemiczne osadzanie się powłok Co-Mo są obecność defektów takich jak (szczeliny i pory), a także obecność tlenu.
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