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Effects of molybdenum and cobalt alloying on corrosion resistance of electrochemical coatings based on the Ni–W system
https://doi.org/10.22349/1994-6716-2024-119-3-93-101
Abstract
The paper studies coatings of the Ni–W system alloyed with molybdenum and cobalt obtained by electrodeposition. The effect of the concentration of salts of the alloying element in the electrolyte on the chemical composition of the coatings was studied under various synthesis conditions. All the obtained coatings are nanocrystalline or amorphous solid solutions of tungsten, molybdenum or cobalt in nickel with a FCC crystal lattice. Polarization measurements made it possible to establish that the most resistant to corrosion in a 3.5% NaCl solution is a coating containing 35% W and 8% Mo.
About the Authors
A. V. Krasikov
NRC “Kurchatov Institute” – CRISM “Prometey”
Russian Federation
Russian Federation
Cand Sc. (Chem)
49 Shpalernaya St, 191015 St Petersburg
M. V. Merkulova
NRC “Kurchatov Institute” – CRISM “Prometey”
Russian Federation
Russian Federation
49 Shpalernaya St, 191015 St Petersburg
N. V. Yakovleva
NRC “Kurchatov Institute” – CRISM “Prometey”
Russian Federation
Russian Federation
49 Shpalernaya St, 191015 St Petersburg
L. V. Mukhamedzyanova
NRC “Kurchatov Institute” – CRISM “Prometey”
Russian Federation
Russian Federation
49 Shpalernaya St, 191015 St Petersburg
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Review
For citations:
Krasikov A.V., Merkulova M.V., Yakovleva N.V., Mukhamedzyanova L.V. Effects of molybdenum and cobalt alloying on corrosion resistance of electrochemical coatings based on the Ni–W system. Voprosy Materialovedeniya. 2024;(3(119)):93-101. (In Russ.) https://doi.org/10.22349/1994-6716-2024-119-3-93-101
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