4.5 Article

TiO2 nanotubes produced on curved titanium surfaces using aqueous electrolytes with carboxymethyl cellulose

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ELSEVIER
DOI: 10.1016/j.physe.2020.114391

Keywords

Titanium curved surface; TiO2 nanotubes; Anodization; Carboxymethyl cellulose

Funding

  1. Departamento Administrativo de Ciencia, Tecnologia e Innovacion -COLCIENCIAS through the Fondo Francisco Jose de Caldas [124-2017]
  2. COLCIENCIAS Ph.D. grant
  3. Estrategia de Sostenibilidad de la Universidad de Antioquia

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Homogeneous nanotube coatings were successfully formed on titanium curved surfaces by using a specific electrolyte.
The applications of the TiO2 anodic nanotubular layers on titanium curved surfaces have been limited because of the coating packing and homogeneity. Some anodization configurations and titanium surface treatments have been used to improve coating uniformity on curved surfaces; however, the results had not been satisfactory. In this experimental work, homogeneous nanotube coatings were successfully formed by anodization on titanium curved surfaces (wires and spirals) by using an aqueous electrolyte with carboxymethylcellulose and sodium fluoride. All the various conditions tested, regarding electropolishing process and electrolyte pH value, produced packed nanotubular coatings.

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