Study on the Bioactivity of Anodic Oxidized Titanium Alloy Induced by Alkali Treatment

Ying Zhao; Tian Ying Xiong; Tie Fan Li; J. Wu; Hua-Zi Jin; Li Bin Wang

doi:10.4028/www.scientific.net/KEM.309-311.383

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Study on the Bioactivity of Anodic Oxidized Titanium Alloy Induced by Alkali Treatment
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HomeKey Engineering MaterialsKey Engineering Materials Vols. 309-311Study on the Bioactivity of Anodic Oxidized...

Study on the Bioactivity of Anodic Oxidized Titanium Alloy Induced by Alkali Treatment

Abstract:

Alkali treatment induced to form bonelike apatite layer on the surface of the anodic oxidized Ti6Al4V in 1.5 SBF. It was observed that some spherical apatite crystals were deposited on the surface of the sample for only 1 d. They gradually grew to cover the whole surface of the sample with further increasing soaking time. After 7 days of soaking in 1.5 SBF, apatite covered all the surfaces of the titanium alloys, and they packed very densely and uniformly. At the same time, large amount of new-formed apatite nuclei occurred on the first layer of apatite. The EDS and XRD results proved that all the new-formed phases were composed of apatite. Mechanism of the bioactivity of the anodic oxidized titanium alloys was related to the Ti-OH group formation, and the Ti-OH group would induce apatite formation in SBF.

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Periodical:

Key Engineering Materials (Volumes 309-311)

Pages:

383-386

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.309-311.383

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Online since:

May 2006

Authors:

Ying Zhao, Tian Ying Xiong, Tie Fan Li, J. Wu, Hua-Zi Jin, Li Bin Wang

Keywords:

Alkali Treatment, Anodic Oxidized, Apatite, Simulated Body Fluid (SBF), Ti₆Al₄V Alloy

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