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Electrodeposition of composite coatings containing nanoparticles in a metal deposit

Electrodeposition of composite coatings containing nanoparticles in a metal deposit
Electrodeposition of composite coatings containing nanoparticles in a metal deposit
Recent literature on the electrodeposition of metallic coatings containing nanosized particles is surveyed. The nanosized particles, suspended in the electrolyte by agitation and/or use of surfactants, can be codeposited with the metal. The inclusion of nanosized particles can give (i) an increased microhardness and corrosion resistance, (ii) modified growth to form a nanocrystalline metal deposit and (iii) a shift in the reduction potential of a metal ion. Many operating parameters influence the quantity of incorporated particles, including current density, bath agitation (or movement of work piece) and electrolyte composition. High incorporation rates of the dispersed particles have been achieved using (i) a high nanoparticle concentration in the electrolyte solution, (ii) smaller sized nanoparticles; (iii) a low concentration of electroactive species, (iv) ultrasonication during deposition and (v) pulsed current techniques. Compositional gradient coatings are possible having a controlled distribution of particles in the metal deposit and the theoretical models used to describe the phenomenon of particle codeposition within a metal deposit are critically considered.
electrodeposition techniques (direct current, pulsed direct current, pulsed reverse current), nanosized particles, compositional gradient coatings, codeposition of particles, composite coatings, modelling codeposition, rotating cylinder electrode
0257-8972
371-383
Low, C.T.J.
e993d0ca-2b64-424b-9535-20bc8b78415f
Wills, R.G.A.
60b7c98f-eced-4b11-aad9-fd2484e26c2c
Walsh, F.C.
309528e7-062e-439b-af40-9309bc91efb2
Low, C.T.J.
e993d0ca-2b64-424b-9535-20bc8b78415f
Wills, R.G.A.
60b7c98f-eced-4b11-aad9-fd2484e26c2c
Walsh, F.C.
309528e7-062e-439b-af40-9309bc91efb2

Low, C.T.J., Wills, R.G.A. and Walsh, F.C. (2006) Electrodeposition of composite coatings containing nanoparticles in a metal deposit. Surface and Coatings Technology, 371-383. (doi:10.1016/j.surfcoat.2005.11.123).

Record type: Article

Abstract

Recent literature on the electrodeposition of metallic coatings containing nanosized particles is surveyed. The nanosized particles, suspended in the electrolyte by agitation and/or use of surfactants, can be codeposited with the metal. The inclusion of nanosized particles can give (i) an increased microhardness and corrosion resistance, (ii) modified growth to form a nanocrystalline metal deposit and (iii) a shift in the reduction potential of a metal ion. Many operating parameters influence the quantity of incorporated particles, including current density, bath agitation (or movement of work piece) and electrolyte composition. High incorporation rates of the dispersed particles have been achieved using (i) a high nanoparticle concentration in the electrolyte solution, (ii) smaller sized nanoparticles; (iii) a low concentration of electroactive species, (iv) ultrasonication during deposition and (v) pulsed current techniques. Compositional gradient coatings are possible having a controlled distribution of particles in the metal deposit and the theoretical models used to describe the phenomenon of particle codeposition within a metal deposit are critically considered.

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More information

Published date: 2006
Keywords: electrodeposition techniques (direct current, pulsed direct current, pulsed reverse current), nanosized particles, compositional gradient coatings, codeposition of particles, composite coatings, modelling codeposition, rotating cylinder electrode

Identifiers

Local EPrints ID: 23589
URI: http://eprints.soton.ac.uk/id/eprint/23589
ISSN: 0257-8972
PURE UUID: a35fc77e-fc20-4eb4-b674-b23867e9725f
ORCID for R.G.A. Wills: ORCID iD orcid.org/0000-0002-4805-7589

Catalogue record

Date deposited: 20 Mar 2006
Last modified: 16 Mar 2024 03:34

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Contributors

Author: C.T.J. Low
Author: R.G.A. Wills ORCID iD
Author: F.C. Walsh

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