MATEC Web Conf.
Volume 178, 201822nd International Conference on Innovative Manufacturing Engineering and Energy - IManE&E 2018
|Number of page(s)||6|
|Published online||24 July 2018|
Optimization of TiO2 nanotubes synthesis on cylindrical surfaces for bio-implants
“Petru Maior” University of Tirgu Mures, Faculty of Engineering, Department of Industrial
Engineering and Management, Nicolae Iorga 1, Tirgu Mures, Romania
2 Sapientia University of Cluj Napoca, Faculty of Technical and Human Sciences, Sighisoarei 1C, Tirgu Mures, Romania
3 University of Medicine and Pharmacy of Tirgu Mureş, Faculty of Dental Medicine, Oral and Maxillofacial Surgery Department, Gh. Marinescu 38, Tirgu Mures, Romania
* Corresponding author: firstname.lastname@example.org
Titanium based modified surfaces with TiO2 self-organized nanotubular layers for biomedical applications were synthesized on cylindrical surfaces by electrochemical anodization in phosphate/fluoride electrolytes. Cylindrical samples of φ 3.8 x 20 mm, made of Ti6Al4V alloy, with different initial surface preparation (machined, grinded, polished) were subjected to anodization and process parameters were optimized to assure the development of uniform titania nanotubular layers with nanotubes’ diameter of 25-100 nm. Optimal process parameters in our custom-built anodization cell are: electrolyte composition 1M H3PO4 + 0.4 wt% HF, anodization potential U = 24 V, potential ramp Ur = 0.08 V/s, distance anode-cathode d = 15 mm, current density in potentiostatic stage J = 35-50 A/m2, and anodization duration t = 30-35 min.
© The Authors, published by EDP Sciences, 2018.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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