Corrosion resistance of high pressure torsion obtained commercially pure titanium in acidic solution
Апстракт
The enhancement of commercially pure titanium (cpTi) mechanical properties, which is required for its medical application, can be achieved by grain refinement obtained by severe plastic deformation. In addition to mechanical properties improvement, excellent corrosion resistance of ultrafine-grained (UFG) cpTi in contact with human body fluids is required. Therefore, the aim of this study was to estimate electrochemical behavior of UFG cpTi obtained by high pressure torsion (HPT) under a pressure of 7,8 GPa at room temperature and up to 5 rotations. Electrochemical measurements were performed in artificial saliva at 37 degrees C in order to simulate oral environment, since development of UFG cpTi is primarily aimed for dental implant applications. Electrochemical behavior of UFG cpTi was investigated by electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization. The obtained results indicate that HPT process, through significant grain size reduction, increases corros...ion resistance of cpTi.
Кључне речи:
artificial saliva / corrosion resistance / electrochemical measurements / ultrafine-grained titaniumИзвор:
Tehnicki vjesnik-Technical Gazette, 2017, 24, 6, 1689-1695Издавач:
- University of Osijek, Tech Fac, Slavonski Brod
Финансирање / пројекти:
- Микромеханички критеријуми оштећења и лома (RS-MESTD-Basic Research (BR or ON)-174004)
DOI: 10.17559/TV-20160303141534
ISSN: 1330-3651
WoS: 000417121700007
Scopus: 2-s2.0-85036632309
Институција/група
Tehnološko-metalurški fakultetTY - JOUR AU - Barjaktarević, Dragana AU - Dimić, Ivana AU - Cvijović-Alagić, Ivana AU - Veljović, Đorđe AU - Rakin, Marko PY - 2017 UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3616 AB - The enhancement of commercially pure titanium (cpTi) mechanical properties, which is required for its medical application, can be achieved by grain refinement obtained by severe plastic deformation. In addition to mechanical properties improvement, excellent corrosion resistance of ultrafine-grained (UFG) cpTi in contact with human body fluids is required. Therefore, the aim of this study was to estimate electrochemical behavior of UFG cpTi obtained by high pressure torsion (HPT) under a pressure of 7,8 GPa at room temperature and up to 5 rotations. Electrochemical measurements were performed in artificial saliva at 37 degrees C in order to simulate oral environment, since development of UFG cpTi is primarily aimed for dental implant applications. Electrochemical behavior of UFG cpTi was investigated by electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization. The obtained results indicate that HPT process, through significant grain size reduction, increases corrosion resistance of cpTi. PB - University of Osijek, Tech Fac, Slavonski Brod T2 - Tehnicki vjesnik-Technical Gazette T1 - Corrosion resistance of high pressure torsion obtained commercially pure titanium in acidic solution EP - 1695 IS - 6 SP - 1689 VL - 24 DO - 10.17559/TV-20160303141534 ER -
@article{ author = "Barjaktarević, Dragana and Dimić, Ivana and Cvijović-Alagić, Ivana and Veljović, Đorđe and Rakin, Marko", year = "2017", abstract = "The enhancement of commercially pure titanium (cpTi) mechanical properties, which is required for its medical application, can be achieved by grain refinement obtained by severe plastic deformation. In addition to mechanical properties improvement, excellent corrosion resistance of ultrafine-grained (UFG) cpTi in contact with human body fluids is required. Therefore, the aim of this study was to estimate electrochemical behavior of UFG cpTi obtained by high pressure torsion (HPT) under a pressure of 7,8 GPa at room temperature and up to 5 rotations. Electrochemical measurements were performed in artificial saliva at 37 degrees C in order to simulate oral environment, since development of UFG cpTi is primarily aimed for dental implant applications. Electrochemical behavior of UFG cpTi was investigated by electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization. The obtained results indicate that HPT process, through significant grain size reduction, increases corrosion resistance of cpTi.", publisher = "University of Osijek, Tech Fac, Slavonski Brod", journal = "Tehnicki vjesnik-Technical Gazette", title = "Corrosion resistance of high pressure torsion obtained commercially pure titanium in acidic solution", pages = "1695-1689", number = "6", volume = "24", doi = "10.17559/TV-20160303141534" }
Barjaktarević, D., Dimić, I., Cvijović-Alagić, I., Veljović, Đ.,& Rakin, M.. (2017). Corrosion resistance of high pressure torsion obtained commercially pure titanium in acidic solution. in Tehnicki vjesnik-Technical Gazette University of Osijek, Tech Fac, Slavonski Brod., 24(6), 1689-1695. https://doi.org/10.17559/TV-20160303141534
Barjaktarević D, Dimić I, Cvijović-Alagić I, Veljović Đ, Rakin M. Corrosion resistance of high pressure torsion obtained commercially pure titanium in acidic solution. in Tehnicki vjesnik-Technical Gazette. 2017;24(6):1689-1695. doi:10.17559/TV-20160303141534 .
Barjaktarević, Dragana, Dimić, Ivana, Cvijović-Alagić, Ivana, Veljović, Đorđe, Rakin, Marko, "Corrosion resistance of high pressure torsion obtained commercially pure titanium in acidic solution" in Tehnicki vjesnik-Technical Gazette, 24, no. 6 (2017):1689-1695, https://doi.org/10.17559/TV-20160303141534 . .