Preparation and Characterization of Zn-Containing Hydroxyapatite/TiO2 Composite Coatings on Ti Alloys

Min Qi; Da Yi Yang; Jing Ying Zhang; Hong Jun Ai

doi:10.4028/www.scientific.net/MSF.685.367

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HomeMaterials Science ForumMaterials Science Forum Vol. 685Preparation and Characterization of Zn-Containing...

Preparation and Characterization of Zn-Containing Hydroxyapatite/TiO₂ Composite Coatings on Ti Alloys

Abstract:

In order to improve the osteoblast growth and bacteria resistance, Zn-containing hydroxyapatite (Zn-HA) and titanium oxide (TiO₂) composite coatings were prepared to improve binding between coating and Ti substrate. TiO₂ film was prepared on the surface of Ti by micro-arc oxidation (MAO) and Zn-HA coating was deposited on TiO₂using sol–gel technique. Phase structure, composition and microstructure of the surface coatings were analyzed by X-ray diffraction (XRD) and Energy Dispersive Spectrometer (EDS), respectively. The adhesion strength between the coatings with different Zn content was measured by tensile testing. The results showed that there was no significant influence of Zn content on adhesion strength between coating and Ti substrate.

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Materials Science Forum (Volume 685)

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367-370

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.685.367

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Online since:

June 2011

Authors:

Min Qi, Da Yi Yang, Jing Ying Zhang, Hong Jun Ai

Keywords:

Binding, MAO, Microstructure, Zn-HA

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