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

Preparation and performance of a novel multifunctional plasma electrolytic oxidation composite coating formed on magnesium alloy
Preparation and performance of a novel multifunctional plasma electrolytic oxidation composite coating formed on magnesium alloy
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.
0022-2461
1998-2006
Guo, J.
d7653014-2e70-40a6-b6bb-d002227d358d
Wang, L.P.
0321655f-cc3e-4253-866a-b3528e0a03cf
Wang, S.C.
8a390e2d-6552-4c7c-a88f-25bf9d6986a6
Liang, J.
96602708-8db0-465d-89ce-ed1e0f9fa499
Xue, Q.J.
4500f65d-5599-4975-85bd-6f5a2d28107d
Yan, F.Y.
a033eebc-0a1b-45a2-902f-9b4c4ea16669
Guo, J.
d7653014-2e70-40a6-b6bb-d002227d358d
Wang, L.P.
0321655f-cc3e-4253-866a-b3528e0a03cf
Wang, S.C.
8a390e2d-6552-4c7c-a88f-25bf9d6986a6
Liang, J.
96602708-8db0-465d-89ce-ed1e0f9fa499
Xue, Q.J.
4500f65d-5599-4975-85bd-6f5a2d28107d
Yan, F.Y.
a033eebc-0a1b-45a2-902f-9b4c4ea16669

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).

Record type: Article

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.

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More information

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

Identifiers

Local EPrints ID: 66236
URI: https://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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