Influence of Process Parameters on Corrosion Resistance of Ceramic Layer Prepared by Micro Arc Oxidation on Aluminum Alloy 6061

Zong Wei Niu; Xiu Ting Wei; Zhi Yong Li; Li Li; Hong Fu Liu

doi:10.4028/www.scientific.net/KEM.591.180

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 591Influence of Process Parameters on Corrosion...

Influence of Process Parameters on Corrosion Resistance of Ceramic Layer Prepared by Micro Arc Oxidation on Aluminum Alloy 6061

Abstract:

Alumina ceramics film which has high hardness, wear resistance and erosion resistance can be obtained using micro arc oxidation on the surface of aluminum alloy. The process parameters have great influence on the corrosion resistance of alumina ceramics film prepared by micro arc oxidation. In this research, the alumina ceramics film was gotten using micro arc oxidation with different process parameters. The corrosion resistance of ceramics coating prepared by micro arc oxidation on the surface of aluminum alloy was investigated by putting the samples into sodium chloride solution of the concentration 3.5%.The influence regularity of process parameters such as current density, impulse frequency, duty ratio and process time on the corrosion resistance of alumina ceramics film was researched. This can provide basis for the optimization of process parameters.

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Periodical:

Key Engineering Materials (Volume 591)

Pages:

180-184

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.591.180

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Online since:

November 2013

Authors:

Zong Wei Niu, Xiu Ting Wei, Zhi Yong Li, Li Li, Hong Fu Liu

Keywords:

Aluminium Alloy, Corrosion Resistance, Micro-Arc Oxidation, Process Parameter

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