| Title | Electrochemical and surface modifications on N +-ion implanted Ti-6A1-4V immersed in HBSS
|
| Publication Type | Journal Article |
| 1995 |
| Authors | Leitão, E, Sa, C, Silva, RA, Barbosa, MA, Ali, H |
| Journal | Corrosion ScienceCorros. Sci. |
| Volume | 37 |
| Issue | 11 |
| Pagination | 1861 - 1866 |
| Date Published | 1995/// |
| 0010938X (ISSN) |
| Biological testing, Characterization, Corrosion, Corrosion rate, Cyclic polarization technique, Electrochemical behaviour, electrochemistry, Hank balanced salt solution, Ion implantation, materials testing, Nitrogen ion implanted titanium aluminum vanadium alloy, Nitrogen-ion fluence, Open circuit potential, Passivation, Polarization, Simulated physiological solution, Solutions, Surface modification, Surface treatment, Titanium alloys |
| The effect of nitrogen-ion implantation on the electrochemical behaviour of Ti-6Al-4V in a simulated physiological solution (HBSS-Hank's balanced salt solution) was studied by open-circuit potential versus time and cyclic polarization techniques, with the aim of characterizing better the surface prior to biological testing and to choose the most appropriate nitrogen-ion fluence. Three fluences (10 15, 10
16 and 10
17 ions/cm
2) were used. The 10
16 ions/cm
2 N
+ fluence produced the lowest corrosion rate under passive conditions. The highest fluence originated a large increase in the corrosion rate and inhibited the formation of a calcium- and phosphate-rich layer on the electrode surface. © 1995.
|
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