Kinetics of Electrochemical Nanonucleation during Induced Codeposition of Iron-Group Metals with Refractory Metals (W, Mo, Re)

Baranov Serghei Alexei; Dikusar Aleksandr

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BARANOV, Serghei Alexei, DIKUSAR, Aleksandr. Kinetics of Electrochemical Nanonucleation during Induced Codeposition of Iron-Group Metals with Refractory Metals (W, Mo, Re). In: Surface Engineering and Applied Electrochemistry, 2022, nr. 5(58), pp. 429-439. ISSN 1068-3755. DOI: https://doi.org/10.3103/S1068375522050027

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Surface Engineering and Applied Electrochemistry

Numărul 5(58) / 2022 / ISSN 1068-3755 /ISSNe 1934-8002

Kinetics of Electrochemical Nanonucleation during Induced Codeposition of Iron-Group Metals with Refractory Metals (W, Mo, Re)

DOI:https://doi.org/10.3103/S1068375522050027

Pag. 429-439

Baranov Serghei Alexei¹², Dikusar Aleksandr ¹²

¹ Institute of Applied Physics,
² T.G. Shevchenko State University of Pridnestrovie, Tiraspol

Disponibil în IBN: 5 noiembrie 2022

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It is shown that the earlier discovered features of the composition and properties of electrochemical coatings obtained by induced codeposition of alloys of iron-group metals (W, Mo, Re)—such as nanocrystallinity (X-ray amorphous phase), macroscopic size effects of microhardness and corrosion resistance, the effect of the volume current density on the properties and composition—are a consequence of the fractality of the solutions of relevant metal complexes (e.g., citrate and gluconate) in combination with the intensive interfacial exchange. In this case, the kinetics of nano-nucleation limits the size of growing nuclei of the alloy and, as a result, water molecules participate in the formation of coatings, leading to the incorporation of oxide-hydroxide inclusions into the solid phase and hydrogenation.

Cuvinte-cheie
alloys with refractory metals (W, electrodeposition, fractality, induced codeposition, iron-group metals, Mo, nucleation kinetics, phase

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