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Nickel-nanodiamond coatings electrodeposited from tartrate electrolyte at ambient temperature
Belarusian State Technol Univ, Chem Technol & Engn Fac, Dept Chem Technol Electrochem Prod & Elect Engn M, Sverdlova Str 13a, Minsk 220006, BELARUS.;LUT Univ, Sch Engn Sci, Dept Separat & Purificat, Yliopistonkatu 34, FI-53850 Lappeenranta, Finland..
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Chemistry, Surface and Corrosion Science.ORCID iD: 0000-0001-6877-9282
Belarusian State Technol Univ, Chem Technol & Engn Fac, Dept Chem Technol Electrochem Prod & Elect Engn M, Sverdlova Str 13a, Minsk 220006, BELARUS.;Polish Acad Sci, Jerzy Haber Inst Catalysis & Surface Chem, Niezapominajek 8, PL-30239 Krakow, Poland..ORCID iD: 0000-0003-2071-3975
Belarusian State Technol Univ, Chem Technol & Engn Fac, Dept Chem Technol Electrochem Prod & Elect Engn M, Sverdlova Str 13a, Minsk 220006, BELARUS..
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2019 (English)In: Surface & Coatings Technology, ISSN 0257-8972, E-ISSN 1879-3347, Vol. 380, article id 125063Article in journal (Refereed) Published
Abstract [en]

In this study, nanocrystalline Ni and Ni-diamond coatings were obtained by electrodeposition from tartrate electrolyte at ambient temperature aiming at improving corrosion and wear properties of the material. The created surfaces were investigated with regard to microhardness, adhesion, wear- and corrosion-resistance. The various methods such as atomic force microscopy, scanning electron microscopy, electrochemical impedance spectroscopy and linear polarization technique were applied to study the coating surface properties. The introduction of nanodiamond particles into the coating led to a rougher surface structure and a bigger grain size in comparison to bare nickel coating. Our study shows that the addition of 5.10(-2) (g dm(-3)) of nanodiamonds to the plating bath is enough to obtain composite coatings with a clear increase in microhardness and wear resistance. The slightly improved corrosion resistance of the coating, decrease in corrosion current density from 0.41 to 0.14 mu A cm(-2) in neutral chloride-containing medium, and nobler values of the corrosion potential were also observed.

Place, publisher, year, edition, pages
ELSEVIER SCIENCE SA , 2019. Vol. 380, article id 125063
Keywords [en]
Electrolytic co-deposition, Ni-nanodiamond composite coating, Kinetics, Morphology, Corrosion, Wear
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-266437DOI: 10.1016/j.surfcoat.2019.125063ISI: 000502882700015Scopus ID: 2-s2.0-85073515452OAI: oai:DiVA.org:kth-266437DiVA, id: diva2:1385655
Note

QC 20200115

Available from: 2020-01-15 Created: 2020-01-15 Last updated: 2020-01-22Bibliographically approved

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Dobryden, Illia

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