Wear Resistance of Anodic Titanium Dioxide Films Produced on Ti-6Al-4V Alloy
Ti-6Al-4V alloy with TiO2 coating is the most commonly selected material to construct an aortic heart valve. Wear resistance is the main mechanical property to be evaluated for this purpose. In this paper, the wear resistance of TiO2 thin films obtained by anodic oxidation of Ti-6Al-4V is evaluated....
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Wiley
2015-03-01
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| Series: | Nanomaterials and Nanotechnology |
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| Online Access: | http://www.intechopen.com/journals/nanomaterials_and_nanotechnology/wear-resistance-of-anodic-titanium-dioxide-films-produced-on-ti-6al-4v-alloy |
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| _version_ | 1832547952698064896 |
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| author | María Laura Vera Mario Roberto Rosenberger Carlos Enrique Schvezov Alicia Esther Ares |
| author_facet | María Laura Vera Mario Roberto Rosenberger Carlos Enrique Schvezov Alicia Esther Ares |
| author_sort | María Laura Vera |
| collection | DOAJ |
| description | Ti-6Al-4V alloy with TiO2 coating is the most commonly selected material to construct an aortic heart valve. Wear resistance is the main mechanical property to be evaluated for this purpose. In this paper, the wear resistance of TiO2 thin films obtained by anodic oxidation of Ti-6Al-4V is evaluated. Anodic oxidation was performed at 20 V to 70 V with a H2SO4 1 M electrolyte. The samples were thermally treated at 500°C for 1 h, and crystalline phases of TiO2 were obtained. The wear was performed in a ball-on-flat recip‐ rocating machine with a range of loads from 1 gf to 4 gf and times between 60 s and 1200 s, using a diamond sphere as counterface. The counterface oscillates at 0.5 Hz and 4 mm in amplitude. The wear is measured using a profilometer and is calculated as the worn volume. The wear resistance of the coated samples is larger than the substrate, and increases with thickness and with crystalline coating. |
| format | Article |
| id | doaj-art-de17fbf14c2344a989ed901a7cbe5bcb |
| institution | Kabale University |
| issn | 1847-9804 |
| language | English |
| publishDate | 2015-03-01 |
| publisher | Wiley |
| record_format | Article |
| series | Nanomaterials and Nanotechnology |
| spelling | doaj-art-de17fbf14c2344a989ed901a7cbe5bcb2025-02-03T06:42:54ZengWileyNanomaterials and Nanotechnology1847-98042015-03-0156http://dx.doi.org/10.5772/6006948277Wear Resistance of Anodic Titanium Dioxide Films Produced on Ti-6Al-4V AlloyMaría Laura VeraMario Roberto RosenbergerCarlos Enrique SchvezovAlicia Esther AresTi-6Al-4V alloy with TiO2 coating is the most commonly selected material to construct an aortic heart valve. Wear resistance is the main mechanical property to be evaluated for this purpose. In this paper, the wear resistance of TiO2 thin films obtained by anodic oxidation of Ti-6Al-4V is evaluated. Anodic oxidation was performed at 20 V to 70 V with a H2SO4 1 M electrolyte. The samples were thermally treated at 500°C for 1 h, and crystalline phases of TiO2 were obtained. The wear was performed in a ball-on-flat recip‐ rocating machine with a range of loads from 1 gf to 4 gf and times between 60 s and 1200 s, using a diamond sphere as counterface. The counterface oscillates at 0.5 Hz and 4 mm in amplitude. The wear is measured using a profilometer and is calculated as the worn volume. The wear resistance of the coated samples is larger than the substrate, and increases with thickness and with crystalline coating.http://www.intechopen.com/journals/nanomaterials_and_nanotechnology/wear-resistance-of-anodic-titanium-dioxide-films-produced-on-ti-6al-4v-alloyAnodic oxidationTitanium dioxideWear resistance |
| spellingShingle | María Laura Vera Mario Roberto Rosenberger Carlos Enrique Schvezov Alicia Esther Ares Wear Resistance of Anodic Titanium Dioxide Films Produced on Ti-6Al-4V Alloy Nanomaterials and Nanotechnology Anodic oxidation Titanium dioxide Wear resistance |
| title | Wear Resistance of Anodic Titanium Dioxide Films Produced on Ti-6Al-4V Alloy |
| title_full | Wear Resistance of Anodic Titanium Dioxide Films Produced on Ti-6Al-4V Alloy |
| title_fullStr | Wear Resistance of Anodic Titanium Dioxide Films Produced on Ti-6Al-4V Alloy |
| title_full_unstemmed | Wear Resistance of Anodic Titanium Dioxide Films Produced on Ti-6Al-4V Alloy |
| title_short | Wear Resistance of Anodic Titanium Dioxide Films Produced on Ti-6Al-4V Alloy |
| title_sort | wear resistance of anodic titanium dioxide films produced on ti 6al 4v alloy |
| topic | Anodic oxidation Titanium dioxide Wear resistance |
| url | http://www.intechopen.com/journals/nanomaterials_and_nanotechnology/wear-resistance-of-anodic-titanium-dioxide-films-produced-on-ti-6al-4v-alloy |
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