Effect of α-Al2O3 Nano-Additives on Properties of Anodic Oxide Films on AZ91D Magnesium Alloy

Abstract:

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The effect of α-Al2O3 nano-additives on anodic oxide film-forming and film performance was studied. The morphology and phase compositions of the anodic oxide films were analyzed by scanning electronic microscope (SEM) and X-ray diffraction (XRD). The corrosion resistance of the anodic films with nano-Al2O3 was investigated by immersion test and potentiodynamic polarization technique. The results show that anodic oxide films mainly consists of Mg, Al12Mg17, γ-Al2O3, a little of Si and α-Al2O3. The corrosion resistance property of magnesium alloy can be improved with the addition of α-Al2O3 nano-additives.

Info:

Periodical:

Advanced Materials Research (Volumes 148-149)

Edited by:

Xianghua Liu, Zhengyi Jiang and Jingtao Han

Pages:

1003-1006

DOI:

10.4028/www.scientific.net/AMR.148-149.1003

Citation:

X. C. Ma et al., "Effect of α-Al2O3 Nano-Additives on Properties of Anodic Oxide Films on AZ91D Magnesium Alloy", Advanced Materials Research, Vols. 148-149, pp. 1003-1006, 2011

Online since:

October 2010

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Price:

$35.00

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