Preparation and Property of the Environment-Friendly Anodizing Oxidation Coating of AZ31 Magnesium Alloy

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This paper deals with an environment-friendly anodizing oxidation process for AZ31 magnesium alloy. Good anti-corrosion anodizing oxidation coating was prepared on the surface of AZ31 magnesium under 10 mA/cm2 constant current at 20°C after 20 min. The anodic film of AZ31 was ivory-white, dense, uniform, compact and porous structure. The anodic film of AZ31 mainly consisted of MgO, Mg2SiO4.According to Tafel curve and EIS,the anodic film of AZ31 had better anti-corrosion property than the substrate AZ31. This anodic film could increase the anti-corrosion property of AZ31 effectively.

Info:

Periodical:

Materials Science Forum (Volumes 610-613)

Main Theme:

Edited by:

Zhong Wei Gu, Yafang Han, Fu Sheng Pan, Xitao Wang, Duan Weng and Shaoxiong Zhou

Pages:

936-941

DOI:

10.4028/www.scientific.net/MSF.610-613.936

Citation:

Y. P. Liu et al., "Preparation and Property of the Environment-Friendly Anodizing Oxidation Coating of AZ31 Magnesium Alloy", Materials Science Forum, Vols. 610-613, pp. 936-941, 2009

Online since:

January 2009

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$35.00

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