Effect of Voltage and Current Density on the Coating Performance of Micro Arc Oxidation on Pure Titanium Metal

Abstract:

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The maximum thickness of the pure titanium metal coating by micro arc oxidation increases when current density increases, but the color isn’t even when the current density is too big. Thickness of the coating increases when voltage increases,but the color isn’t even when the voltage is too big. The better technical parameters are Na2SiO3 100g/L, voltage 350V, current density 100A/dm2, oxidation time 150 s, the thickness of the coating is 12 μm, the color is light-grey and even. The diameter of the holes of the coating increase when voltage or current density increases. The coating mainly contains O, Si and Ti elements. The coating’s micro hardness is 1000 HV.

Info:

Periodical:

Advanced Materials Research (Volumes 299-300)

Edited by:

Jianzhong Wang and Jingang Qi

Pages:

704-707

DOI:

10.4028/www.scientific.net/AMR.299-300.704

Citation:

G. Jin et al., "Effect of Voltage and Current Density on the Coating Performance of Micro Arc Oxidation on Pure Titanium Metal", Advanced Materials Research, Vols. 299-300, pp. 704-707, 2011

Online since:

July 2011

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Price:

$35.00

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