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


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), 1998-2006. (doi:10.1007/s10853-009-3291-4).

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Description/Abstract

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.

Item Type: Article
ISSNs: 0022-2461 (print)
Related URLs:
Subjects: T Technology > TN Mining engineering. Metallurgy
Q Science > QD Chemistry
Divisions: University Structure - Pre August 2011 > School of Engineering Sciences > Engineering Materials & Surface Engineering
ePrint ID: 66236
Date Deposited: 23 Jun 2009
Last Modified: 27 Mar 2014 18:47
URI: http://eprints.soton.ac.uk/id/eprint/66236

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