Growth mechanism of aligned porous oxide layers on titanium by anodization in electrolyte containing Cl-

Praharaj, Rinmayee; Mishra, Snigdha; Rautray, Tapash R.

doi:10.1016/j.matpr.2022.05.096

Cited by 1 publication

(1 citation statement)

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“…Following the anodizing process (as shown in Figure 6 b), an amorphous halo in the range of 20°–38° and peaks of crystalline Ti 2 ZrO (ICDD 01-075-1739) emerged. The observed amorphous structure in the titanium-zirconium oxide is likely attributed to the porous layer, while the barrier layer consists of a crystalline structure similar to titanium nanotubular layers [ 35 ].…”

Section: Resultsmentioning

confidence: 99%

Surface Properties of Ti65Zr Alloy Modified with TiZr Oxide and Hydroxyapatite

Nahum,

Lugovskoy,

Lugovskoy

et al. 2023

Nanomaterials

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Titanium-zirconium dioxide nanostructures loaded by hydroxyapatite were produced on the surface of Ti65Zr alloy. The alloy was treated by anodization with the subsequent immersion in calcium glycerophosphate (CG) solutions. The resulting surfaces present TiO2-ZrO2 nanotubular (TiZr-NT) structures enriched with hydroxyapatite (HAP). The nanotube texture is expected to enhance the surface’s corrosion resistance and promote integration with bone tissue in dental implants. The TiZr-NT structure had a diameter of 73 ± 2.2 nm and a length of 10.1 ± 0.5 μm. The most favorable result for the growth of HAP in Hanks’ balanced salt solution (Hanks’ BSS) was obtained at a CG concentration of 0.5 g/L. Samples soaked in CG at a concentration of 0.5 g/L demonstrated in a decrease of the contact angles to 25.2°; after 3 days of exposure to Hanks’ BSS, the contact angles further reduced to 18.5°. The corrosion studies also showed that the TiZr-NT structure soaked in the CG = 0.5 g/L solution exhibited the best corrosion stability.

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Section: Resultsmentioning

confidence: 99%