Sarraf, Masoud and Musharavati, Farayi and Jaber, Fadi and Bushroa, A. R. and Zalnezhad, Erfan and Nasor, Mohamed and Bae, Sungchul and Chowdhury, Muhammad and Dabbagh, Ali (2024) Anodization and nonstructural surface characterizations of fabricated Ti-29Nb-13Ta-7.1Zr alloy for biomedical applications and its mechanical, wettability, tribological, and corrosion properties. Materials Chemistry and Physics, 314. p. 128825. ISSN 0254-0584, DOI https://doi.org/10.1016/j.matchemphys.2023.128825.
Full text not available from this repository.Abstract
Implants subjected to tribocorrosion release metallic ions and solid wear debris, which can cause a peri-implant disease, bone loss, and eventually implant loosening. TiO2 coatings have a wide application range owing to their biocompatibility. In this study, the Ti-29Nb-13Ta-7.1 Zr alloy was fabricated using powder metallurgy technique. The samples were electrochemically oxidized to produce self -standing TiO2 nanotubular arrays followed by annealing for 1 h at 450 degrees C to improve their crystallinity. The prepared TiO2 coatings were characterized by SEM, X-ray diffraction, and EDX, and the wettability, tribomechanical characteristics, and corrosion behavior of bio-functionalized TiO2 nanotubes were investigated. Atomic force microscopy observations were conducted to examine wear scars, and the wear volume was measured via 2D profilometry. Microhardness and nanoindentation tests were performed to evaluate the mechanical characteristics of TiO2 nanotubes such as microhardness, nanohardness, and modulus of elasticity. The thickness and diameter of the observed TiO2 nanotubes are 2 mu m and 90.94 nm, respectively. The obtained results revealed that the deposition of a biofunctionalized Ti/ TiO2 nanotube layer enhanced the hydrophilicity, tribomechanical properties, and corrosion resistance of the Ti-29Nb-13Ta-7.1Zr alloy. The COF of Ti alloy was 0.51 and it decreased to 0.28 after anodization and annealing at 450 degrees C. The contact angle of the Ti sample was 79.9 degrees and it decreased to 45.6 degrees after annealing at 850 degrees C. However, after the anodic oxidation and annealing at 450 degrees C, the contact angle decreased to 45.6 degrees.
| Item Type: | Article |
|---|---|
| Funders: | National Research Foundation of Korea Ministry of Science & ICT (MSIT), Republic of Korea (RS -2023-00207763); (NRF-2022R1A2C2010350), Universiti Malaya, Qatar National Research Fund, Qatar Foundation, Doha, Qatalr (2022-IRG-ENIT-28), Ajman University (FRGS/1/2018/TK05/UM/01/2); (NPRP11S-0102-180178) |
| Uncontrolled Keywords: | Electrochemical oxidization process; Nanoindentation; Tribomechanical properties; Corrosion; Wettability |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Faculty of Engineering > Department of Mechanical Engineering Deputy Vice Chancellor (Research & Innovation) Office |
| Depositing User: | Ms. Juhaida Abd Rahim |
| Date Deposited: | 12 Nov 2024 03:27 |
| Last Modified: | 12 Nov 2024 03:27 |
| URI: | http://eprints.um.edu.my/id/eprint/45797 |
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