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Preparation and performance of a novel multifunctional plasma electrolytic oxidation composite coating formed on magnesium alloy

Record type: Article

Plasma electrolytic oxidation (PEO) in an alkaline phosphate electrolyte was used to produce a novel multifunctional polytetrafluoroethylene (PTFE)-containing oxide composite coatings on AM60B magnesium alloys. The composition and microstructure of the PTFE-containing PEO coatings were analyzed by X-ray photoelectron spectroscope (XPS), X-ray diffraction (XRD), and scanning electron microscope (SEM). The electrochemical corrosion behavior, tribological properties, and wetting properties of the PTFE-containing PEO composite coatings were evaluated using potentiodynamic polarization measurements, a reciprocating ball-on-disk tribometer, and a contact angle meter, respectively. Results show that the PTFE-containing PEO composite coatings exhibited superior corrosion resistance, excellent self-lubricating property, and better hydrophobic property when compared with pure PEO coatings, and will be the attractive advanced materials for a wide range of functional applications.

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Citation

Guo, J., Wang, L.P., Wang, S.C., Liang, J., Xue, Q.J. and Yan, F.Y. (2009) Preparation and performance of a novel multifunctional plasma electrolytic oxidation composite coating formed on magnesium alloy Journal of Materials Science, 44, (8), pp. 1998-2006. (doi:10.1007/s10853-009-3291-4).

More information

Published date: April 2009
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 66236
URI: http://eprints.soton.ac.uk/id/eprint/66236
ISSN: 0022-2461
PURE UUID: 874ddfb4-0506-47fe-bcd8-aec6d840baa0

Catalogue record

Date deposited: 23 Jun 2009
Last modified: 19 Jul 2017 00:26

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Contributors

Author: J. Guo
Author: L.P. Wang
Author: S.C. Wang
Author: J. Liang
Author: Q.J. Xue
Author: F.Y. Yan

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