Anti-Wear Coating Grown by Micro-Plasma Oxidation on Aluminum Alloys in the Solution of Aluminate-Titania

Abstract:

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In this paper, Aluminum trioxide ceramic coatings were grown on surfaces of 2024 Aluminum alloys by micro-plasma oxidation in an aluminate electrolytic solution. In order to decrease the density of the pores and increase the anti-wear property of the ceramic coatings, Titania were added into the aluminate electrolytic solution. The struture and anti-wear property of the produced ceramic coatings were measured by X-ray diffraction, scanning electron microscope , hardness tester and frictionometer. The results show that the thickness of the ceramic coating is about 24±1 μm, surfaces of the ceramic coatings are very uniform. The hardness of the doped coating is up to 930 HV, and the wear property of the coating is the more excellent than that of undoped coating.

Info:

Periodical:

Advanced Materials Research (Volumes 239-242)

Edited by:

Zhong Cao, Xueqiang Cao, Lixian Sun, Yinghe He

Pages:

667-670

DOI:

10.4028/www.scientific.net/AMR.239-242.667

Citation:

L. G. Zhang et al., "Anti-Wear Coating Grown by Micro-Plasma Oxidation on Aluminum Alloys in the Solution of Aluminate-Titania", Advanced Materials Research, Vols. 239-242, pp. 667-670, 2011

Online since:

May 2011

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Price:

$35.00

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