Mechanisms of formation of nanostructured electrolytic coatings Fe-Ni, Co-Mn, Ni-Cr with functional properties
https://doi.org/10.31660/2782-232X-2023-3-96-103
Abstract
The evolution of modern industry is impossible without the development of new materials and technologies. Nanostructured coatings, in particular electrolytic coatings, are among the most demanded in mechanical engineering. The purpose of this work was to study the different mechanisms of obtaining Fe-Ni, Co- Mn, Ni-Cr galvanic alloys and their relationship with the specified universal physical and mechanical properties. Fe-Ni alloy is characterized by high microhardness and corrosion resistance in sea water, low cold brittleness; Co-Mn – by a specified phase composition (α-Co >> α-Mn, amorphous and metastable phase Co(OH)2); Ni-Cr – by high coating microhardness, specified phase composition. The main methods of production: high-frequency alternating current for Fe-Ni and Co-Mn alloys; introduction of a special additive (carbamide or H-acid) for Ni-Cr alloy. The main mechanisms are: Fe-Ni due to phase transition α-Fe → ε-Fe; Co-Mn by means of high-frequency alternating current and carbamide addition, providing a specified phase composition; Ni-Cr by means of stationary method of addition of H-acid (high-chromium alloy of 68 mass percent of Cr) and carbamide (low-chromium alloy of 25 mass percent of Cr). Recommended uses for electroplating: Fe-Ni – for protection of oil and gas production equipment in the Arctic; Co- Mn – in modulation systems and as a nanocatalyst in the Fischer-Tropsch synthesis reaction; Ni-Cr – for corrosion-resistant protective coatings in petrochemistry and for resistive elements.
About the Authors
I. G. Zhikhareva
Industrial University of Tyumen
Russian Federation
Russian Federation
Irina G. Zhikhareva, Doctor in Chemistry, Professor at the Department of General and Physical Chemistry
Tyumen
V. V. Schmidt
Industrial University of Tyumen; Tyumen Higher Military Engineer Command School named after A. I. Proshlyakov
Russian Federation
Russian Federation
Vadim V. Schmidt, Candidate in Chemistry, Associate Professor at the Department of General and Physical Chemistry; Lecturer at the Department of Military Construction
Tyumen
D. V. Denisenko
Industrial University of Tyumen; PJSC "Tyumen Design and Research Institute of Oil and Gas Industry named after V. I. Muravlenko"
Russian Federation
Russian Federation
Denis V. Denisenko, Intern-Assistant at the Department of General and Physical Chemistry; Leading Engineer
Tyumen
V. P. Shchipanov
Industrial University of Tyumen
Russian Federation
Russian Federation
Vladimir P. Shchipanov, Doctor in Chemistry, Professor at the Department of General and Physical Chemistry
Tyumen
A. D. Fedorov
Industrial University of Tyumen
Russian Federation
Russian Federation
Alexander D. Fedorov, Student at the Department of Oil and Gas Processing
Tyumen
A. I. Neustroev
Industrial University of Tyumen
Russian Federation
Russian Federation
Anton I. Neustroev, Student at the Department of Oil and Gas Processing
Tyumen
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Review
For citations:
Zhikhareva I.G., Schmidt V.V., Denisenko D.V., Shchipanov V.P., Fedorov A.D., Neustroev A.I. Mechanisms of formation of nanostructured electrolytic coatings Fe-Ni, Co-Mn, Ni-Cr with functional properties. Architecture, Construction, Transport. 2023;(3):96-103. (In Russ.) https://doi.org/10.31660/2782-232X-2023-3-96-103
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