Effect of Cathode Surface Area on the Electrodeposition Rate, Composition, and Microhardness of Co–W Coatings Deposited from a Citrate Bath
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GOTELYAK, A., DIKUSAR, Aleksandr. Effect of Cathode Surface Area on the Electrodeposition Rate, Composition, and Microhardness of Co–W Coatings Deposited from a Citrate Bath. In: Surface Engineering and Applied Electrochemistry, 2024, vol. 60, pp. 241-246. ISSN 1068-3755. DOI: https://doi.org/10.3103/S1068375524020042
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Surface Engineering and Applied Electrochemistry
Volumul 60 / 2024 / ISSN 1068-3755 /ISSNe 1934-8002

Effect of Cathode Surface Area on the Electrodeposition Rate, Composition, and Microhardness of Co–W Coatings Deposited from a Citrate Bath

DOI:https://doi.org/10.3103/S1068375524020042

Pag. 241-246

Gotelyak A.1, Dikusar Aleksandr 12
 
1 T.G. Shevchenko State University of Pridnestrovie, Tiraspol,
2 Institute of Applied Physics, MSU
 
 
Disponibil în IBN: 14 mai 2024


Rezumat

Here, by the example of galvanostatic electrodeposition of Co–W coatings from a citrate bath, we demonstrate experimentally that when using the results on the deposition rate and the composition and properties (microhardness) of resulting coatings observed under laboratory conditions to develop this type of an electrodeposition process on a larger (industrial) scale the bath volume must be scaled in proportion to the increase in the cathode area. In this case, the current loading on the electrolyte, which is quantitatively expressed as the volume current density, does not increase. 

Here, by the example of galvanostatic electrodeposition of Co–W coatings from a citrate bath, we demonstrate experimentally that when using the results on the deposition rate and the composition and properties (microhardness) of resulting coatings observed under laboratory conditions to develop this type of an electrodeposition process on a larger (industrial) scale the bath volume must be scaled in proportion to the increase in the cathode area. In this case, the current loading on the electrolyte, which is quantitatively expressed as the volume current density, does not increase. 

Cuvinte-cheie
Alloy deposition, Alloy of iron group metal with tungsten, Citrate baths, Electrochemical alloy deposition, Electrochemicals, Induced co depositions, Industrial scaling up, Iron-group metal, Scaling-up, Size effect in electrochemistry, Sizes effect