Micro Arc Oxidation of Wire Arc Sprayed Al-Mg6, Al-Si12, Al Coatings on Low Alloyed Steel

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DOI: 10.4236/eng.2011.37081    5,613 Downloads   9,804 Views   Citations

ABSTRACT

Micro arc oxidation of wire arc sprayed Al-Mg6, Al-Si12 and Pure Al coatings on low carbon steel has been performed. The coatings have been analyzed using optic microscope, scanning electron microscopy, X-ray diffraction and surface roughness tester. At the same time, voltage and current regimes are investigated during the process. Then after MAO process, uniform Al2O3 ceramic coatings have been deposited on surface of Al-Mg6, Al-Si12 and Al coated steel. The ceramic coatings are mainly composed of Al2O3 phase. The compound coatings show high hardness and significant improvement of corrosion resistance property.

Cite this paper

L. Kumruoglu, F. Ustel, A. Ozel and A. Mimaroglu, "Micro Arc Oxidation of Wire Arc Sprayed Al-Mg6, Al-Si12, Al Coatings on Low Alloyed Steel," Engineering, Vol. 3 No. 7, 2011, pp. 680-690. doi: 10.4236/eng.2011.37081.

Conflicts of Interest

The authors declare no conflicts of interest.

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