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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Chee, Bor Shin
Athlone Institute of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2021Ti-25Nb-25Ta alloy treated by plasma electrolytic oxidation in phosphoric acid for implant applications
- 2021Ti-25nb-25ta alloy treated by plasma electrolytic oxidation in phosphoric acid for implant applicationscitations
- 2021Development, characterization and cell viability inhibition of pva spheres loaded with doxorubicin and 4′-amino-1-naphthyl-chalcone (D14) for osteosarcomacitations
- 2020Titanium-Niobium (Ti-xNb) alloys with high Nb amounts for applications in biomaterials
- 2020Titanium-Niobium (Ti-xNb) Alloys with High Nb Amounts for Applications in Biomaterialscitations
- 2019Titanium-niobium alloys covered by electrospinning technique to applications in bone implants
- 2019Electrospun hydrogels composites for bone tissue engineering.
- 2019The production of a novel poly(vinyl alcohol) hydrogel cryogenic spheres for immediate release using a droplet system.citations
- 2019The production of a novel poly(vinyl alcohol) hydrogel cryogenic spheres for immediate release using a droplet systemcitations
- 2018Electrospun hydrogels composites for bone tissue engineeringcitations
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article
Ti-25nb-25ta alloy treated by plasma electrolytic oxidation in phosphoric acid for implant applications
Abstract
<p>Among titanium alloys with non-toxic elements, the Ti-25Nb-25Ta alloy has good elastic behavior for applications in osseous implants, biocompatibility, and excellent corrosion resistance. The present study aimed to better the biocompatibility characteristics of Ti-25Nb-25Ta alloy modifying its surface through Plasma Electrolytic Oxidation (PEO) treatment. The formed oxide coating is amorphous and composed of two distinct porous formations: smaller hole-shaped pores and larger volcano-like pores. The regions with the formation of smaller pores and in the hole shaped presented the highest atomic percentage of the chemical element phosphorus. Nanoindentation tests have shown that the hardness of the Ti-25Nb-25Ta alloy is slightly lower than the commercially pure grade 2 titanium (a material used as reference), while elastic modulus measurements of Ti-25Nb-25Ta presented more suitable values for implant application (lower values when compared with titanium reference). After PEO treatment there were significant mechanical surface improvements (in-creased fairly surface hardness and decreased elastic modulus) for application in osseous tissue. Despite the Ti-25Nb-25Ta alloy presented excellent characteristics for applications in hard biological tissues, the PEO treatment better its features.</p>