Effect of the Applied Current Density and Deposition Time on Electro-Codeposition Process of Cobalt Matrix Reinforced with Nano-CeO₂

• Autorzy: Simionescu-Bogatu Nicoleta , Benea Lidia

Identyfikatory

DOI

10.24425/amm.2022.137798

• Języki publikacji: EN

Abstrakty

EN

This research paper aims to study the influence of some of the main parameters applied to the electrodeposition process on the nanocomposite layers obtained by strengthening the cobalt matrix with cerium oxide nanoparticles. Thus, the current efficiency (process efficiency) and the degree of inclusion of cerium oxide nanoparticles into cobalt matrix are analyzed according to the current density, the concentration of nanoparticles dispersed in the deposition electrolyte and time of the process. The choice of the optimal parameters imposed on the electrodeposition process lead to the improvement of the quality of the obtained layers, to the reduction of production costs and last but not least to the improvement of corrosion and tribocorrosion resistance of the material. The obtained results show an increase of current efficiency in the process of the deposited layers with the increase of time and current density applied. There is also a slight increasing in the current efficiency of the obtained layers with the increase of the concentration of nanoparticles dispersed in the deposition electrolyte. The increase of the current density, time and the concentration of nanoparticles also have an effect on the degree of embedded CeO₂ nanoparticles into cobalt matrix for the studied nanocomposite layers. The degree of inclusion of nanoparticles decreases for the same studied system with the increasing of the current density.

Słowa kluczowe

EN

electrochemical deposition; cobalt matrix; CeO2 nanoparticles; current density; electrolysis time

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2022
• Tom: Vol. 67, iss. 2
• Strony: 615--622
• Opis fizyczny: Bibliogr. 24 poz., fot., rys., tab., wykr.

Twórcy

autor

Simionescu-Bogatu Nicoleta

• Dunarea de Jos University of Galati, Faculty of Engineering, Competences Centre: Interfaces-Tribocorrosion-Electrochemical Systems (CC-ITES), 47 Domneasca Street, RO-800008 Galati, Romania

• https://orcid.org/0000-0002-3278-3412

autor

Benea Lidia

• Dunarea de Jos University of Galati, Faculty of Engineering, Competences Centre: Interfaces-Tribocorrosion-Electrochemical Systems (CC-ITES), 47 Domneasca Street, RO-800008 Galati, Romania

• https://orcid.org/0000-0003-1551-3960

Bibliografia

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Uwagi

1. The authors would like to express appreciation for prof. Jean-Pierre Celis from Katholieke University of Leuven, Belgium and prof. Pierre Ponthiaux from Ecole Centrale Paris, France for they valuable scientific advice. Also to CC-ITES (http://www.cc-ites.ugal.ro/) for electrochemical experiments.

2. Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).