Corrosion Passivation in Simulated Body Fluid of Ti-Zr-Ta-xSn Alloys as Biomedical Materials
The powder metallurgy method was used to manufacture three Ti-based alloys: Ti-15%Zr-2%Ta-4%Sn (Ti-Zr-Ta-4Sn), Ti-15%Zr-2%Ta-6%Sn (Ti-Zr-Ta-6Sn), and Ti-15%Zr-2%Ta-8%Sn (Ti-Zr-Ta-8Sn). Electrochemical measurements and surface analyses were used to determine the effect of Sn concentration on the corr...
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MDPI AG
2023-06-01
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| Online Access: | https://www.mdpi.com/1996-1944/16/13/4603 |
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| author | El-Sayed M. Sherif Yassir A. Bahri Hamad F. Alharbi Muhammad Farzik Ijaz |
| author_facet | El-Sayed M. Sherif Yassir A. Bahri Hamad F. Alharbi Muhammad Farzik Ijaz |
| author_sort | El-Sayed M. Sherif |
| collection | DOAJ |
| description | The powder metallurgy method was used to manufacture three Ti-based alloys: Ti-15%Zr-2%Ta-4%Sn (Ti-Zr-Ta-4Sn), Ti-15%Zr-2%Ta-6%Sn (Ti-Zr-Ta-6Sn), and Ti-15%Zr-2%Ta-8%Sn (Ti-Zr-Ta-8Sn). Electrochemical measurements and surface analyses were used to determine the effect of Sn concentration on the corrosion of these alloys after exposure to a simulated body fluid (SBF) solution for 1 h and 72 h. It was found that the passivation of the alloy surface significantly increased when the Sn content increased from 4% to 6% and then to 8%, which led to a significant reduction in corrosion. The impedance spectra derived from the Nyquist graphs also explained how the addition of Sn significantly improved the alloys’ polarization resistances. According to the change in the chronoamperometric current at an applied anodic potential over time, the increase in Sn content within the alloy significantly reduced the currents over time, indicating that the uniform and pitting corrosion were greatly decreased. The formation of an oxide layer (TiO<sub>2</sub>), which was demonstrated by the surface morphology of the alloys after exposure to SBF solution for 72 h and corrosion at 400 mV (Ag/AgCl) for 60 min, was supported by the profile analysis obtained by an X-ray spectroscopy analyzer. It was clear from all of the findings that the tested alloys have a remarkable improvement in resistance to corrosivity when the Sn content was increased to 8%. |
| first_indexed | 2024-03-11T01:35:52Z |
| format | Article |
| id | doaj.art-190062582ed145b580996d20308632f6 |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-11T01:35:52Z |
| publishDate | 2023-06-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Materials |
| spelling | doaj.art-190062582ed145b580996d20308632f62023-11-18T16:57:10ZengMDPI AGMaterials1996-19442023-06-011613460310.3390/ma16134603Corrosion Passivation in Simulated Body Fluid of Ti-Zr-Ta-xSn Alloys as Biomedical MaterialsEl-Sayed M. Sherif0Yassir A. Bahri1Hamad F. Alharbi2Muhammad Farzik Ijaz3Center of Excellence for Research in Engineering Materials (CEREM), Deanship of Scientific Research, King Saud University, Riyadh 11421, Saudi ArabiaMechanical Engineering Department, Collage of Engineering, King Saud University, Al-Riyadh 11421, Saudi ArabiaMechanical Engineering Department, Collage of Engineering, King Saud University, Al-Riyadh 11421, Saudi ArabiaMechanical Engineering Department, Collage of Engineering, King Saud University, Al-Riyadh 11421, Saudi ArabiaThe powder metallurgy method was used to manufacture three Ti-based alloys: Ti-15%Zr-2%Ta-4%Sn (Ti-Zr-Ta-4Sn), Ti-15%Zr-2%Ta-6%Sn (Ti-Zr-Ta-6Sn), and Ti-15%Zr-2%Ta-8%Sn (Ti-Zr-Ta-8Sn). Electrochemical measurements and surface analyses were used to determine the effect of Sn concentration on the corrosion of these alloys after exposure to a simulated body fluid (SBF) solution for 1 h and 72 h. It was found that the passivation of the alloy surface significantly increased when the Sn content increased from 4% to 6% and then to 8%, which led to a significant reduction in corrosion. The impedance spectra derived from the Nyquist graphs also explained how the addition of Sn significantly improved the alloys’ polarization resistances. According to the change in the chronoamperometric current at an applied anodic potential over time, the increase in Sn content within the alloy significantly reduced the currents over time, indicating that the uniform and pitting corrosion were greatly decreased. The formation of an oxide layer (TiO<sub>2</sub>), which was demonstrated by the surface morphology of the alloys after exposure to SBF solution for 72 h and corrosion at 400 mV (Ag/AgCl) for 60 min, was supported by the profile analysis obtained by an X-ray spectroscopy analyzer. It was clear from all of the findings that the tested alloys have a remarkable improvement in resistance to corrosivity when the Sn content was increased to 8%.https://www.mdpi.com/1996-1944/16/13/4603Ti-based alloyscorrosionSn contentsimulated body fluidelectrochemical techniquesspectroscopic analysis |
| spellingShingle | El-Sayed M. Sherif Yassir A. Bahri Hamad F. Alharbi Muhammad Farzik Ijaz Corrosion Passivation in Simulated Body Fluid of Ti-Zr-Ta-xSn Alloys as Biomedical Materials Materials Ti-based alloys corrosion Sn content simulated body fluid electrochemical techniques spectroscopic analysis |
| title | Corrosion Passivation in Simulated Body Fluid of Ti-Zr-Ta-xSn Alloys as Biomedical Materials |
| title_full | Corrosion Passivation in Simulated Body Fluid of Ti-Zr-Ta-xSn Alloys as Biomedical Materials |
| title_fullStr | Corrosion Passivation in Simulated Body Fluid of Ti-Zr-Ta-xSn Alloys as Biomedical Materials |
| title_full_unstemmed | Corrosion Passivation in Simulated Body Fluid of Ti-Zr-Ta-xSn Alloys as Biomedical Materials |
| title_short | Corrosion Passivation in Simulated Body Fluid of Ti-Zr-Ta-xSn Alloys as Biomedical Materials |
| title_sort | corrosion passivation in simulated body fluid of ti zr ta xsn alloys as biomedical materials |
| topic | Ti-based alloys corrosion Sn content simulated body fluid electrochemical techniques spectroscopic analysis |
| url | https://www.mdpi.com/1996-1944/16/13/4603 |
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