Tribological behaviour a-C and a-C:H films doped with Ti in biological solutions
Tribological behaviour a-C and a-C:H films doped with Ti in biological solutions
The coatings were deposited in a multi magnetron Teer sputtering device with two C targets and a Ti target in Ar atmosphere, on steel and Si substrates. To deposit hydrogenated coatings methane was introduced in the discharge atmosphere. The films were deposited in a range of 7–14 at.% Ti content. X-ray diffraction patterns revealed the presence of a nanocrystalline TiC phase. The hardness varied from 8 to 9 GPa. The tribological tests were performed under dry sliding and lubricated (0.9% NaCl water solution, physiological solution, PS, and 10% fetal bovine serum dissolved in Ringer’s saline solution, FBS) conditions, using a 100Cr6 steel balls with a diameter of 6 mm, in a pin-on-disc wear test apparatus.
1144-1148
Escudeiro, Ana
6b4708dc-6e5f-4b7f-95a6-423b8be52b7e
Polcar, Tomas
c669b663-3ba9-4e7b-9f97-8ef5655ac6d2
Cavaleiro, Albano
83fb0417-34af-4c14-b4b4-b9541e4fc652
2011
Escudeiro, Ana
6b4708dc-6e5f-4b7f-95a6-423b8be52b7e
Polcar, Tomas
c669b663-3ba9-4e7b-9f97-8ef5655ac6d2
Cavaleiro, Albano
83fb0417-34af-4c14-b4b4-b9541e4fc652
Escudeiro, Ana, Polcar, Tomas and Cavaleiro, Albano
(2011)
Tribological behaviour a-C and a-C:H films doped with Ti in biological solutions.
Vacuum, 85 (12), .
(doi:10.1016/j.vacuum.2011.03.011).
Abstract
The coatings were deposited in a multi magnetron Teer sputtering device with two C targets and a Ti target in Ar atmosphere, on steel and Si substrates. To deposit hydrogenated coatings methane was introduced in the discharge atmosphere. The films were deposited in a range of 7–14 at.% Ti content. X-ray diffraction patterns revealed the presence of a nanocrystalline TiC phase. The hardness varied from 8 to 9 GPa. The tribological tests were performed under dry sliding and lubricated (0.9% NaCl water solution, physiological solution, PS, and 10% fetal bovine serum dissolved in Ringer’s saline solution, FBS) conditions, using a 100Cr6 steel balls with a diameter of 6 mm, in a pin-on-disc wear test apparatus.
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Published date: 2011
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nCATS Group
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Local EPrints ID: 199837
URI: http://eprints.soton.ac.uk/id/eprint/199837
ISSN: 0042-207X
PURE UUID: d26f2b68-f55c-4050-a704-d68d2cf7c9e2
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Date deposited: 20 Oct 2011 10:34
Last modified: 15 Mar 2024 03:40
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Author:
Ana Escudeiro
Author:
Albano Cavaleiro
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