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In Situ Preparation of TiO₂ Composite Layer upon Ti Alloy Substrate Using Micro-Arc Oxidation and its Photocatalytic Property
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HomeMaterials Science ForumMaterials Science Forum Vols. 663-665In Situ Preparation of TiO2 Composite Layer upon...

In Situ Preparation of TiO₂ Composite Layer upon Ti Alloy Substrate Using Micro-Arc Oxidation and its Photocatalytic Property

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Abstract:

In this paper, a micro-arc oxidation (MAO) approach is introduced for “in-situ” preparing TiO2 composite layer upon the surface of titanium alloy (Ti-6Al-4V) substrate. The surface morphologies, chemical compositions, crystal microstructure and photocatalytic properties of the layers were investigated by using a field emission scanning electron microscope (FE-SEM), energy dispersive spectrometer (EDS), X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), electro-chemical workstation and UV-Vis spectrophotometer. The experimental results revealed that photocatalytic performance of the TiO2 composite layers was much higher than that of the pure TiO2 layer and also exhibited absorption under the visible light irradiation.

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Periodical:

Materials Science Forum (Volumes 663-665)

Pages:

3-11

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.663-665.3

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Online since:

November 2010

Authors:

Yong Qian Wang, Xu Dong Jiang, Chun Xu Pan

Keywords:

Composite Layer, Micro-Arc Oxidation (MAO), Photocatalytic, TiO₂

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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