The Effect of the C4O6H4KNa Concentration on the MAO Coating of the Mg-Sr-Al-Y Alloy

Yun Long Zhang; Yu Min Zhang; Mu Qin Li; Ming Hu

doi:10.4028/www.scientific.net/AMR.803.187

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 803The Effect of the C4O6H4KNa Concentration on the...

The Effect of the C₄O₆H₄KNa Concentration on the MAO Coating of the Mg-Sr-Al-Y Alloy

Abstract:

In order to resolve the corrosion resistance of the Mg-Sr-Al-Y alloy, the micro arc oxidation technology were utilized to fabricated the oxidation coating in this paper. The potassium sodium tartrate (C₄O₆H₄KNa) solution was introduced into the electrolyte solution for improving the coating properties. The effect of the C₄O₆H₄KNa content on the phase composition, surface morphology and potentiodynamic polarization behavior was investigated. Compared with the Mg-Sr-Al-Y matrix alloy, the specimen with sodium citrate had high relatively positive potential and low corrosion current , so it proved that the introduce of the doped C₄O₆H₄KNa would improved the corrosion resistance properties. Key words: Micro arc oxidation, Potassium sodium tartrate (C₄O₆H₄KNa), Polarization behavior, Corrosion resistance properties.

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Periodical:

Advanced Materials Research (Volume 803)

Pages:

187-190

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.803.187

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Online since:

September 2013

Authors:

Yun Long Zhang, Yu Min Zhang, Mu Qin Li, Ming Hu

Keywords:

Corrosion Resistance Properties, Micro-Arc Oxidation, Polarization Behavior, Potassium Sodium Tartrate (C₄O₆H₄KNa)

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