Tribological performance of hydrophilic diamond-like carbon coatings on Ti–6Al–4V in biological environment |
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| Authors: | Midathada Anil Sk Faruque Ahmed Jin Woo Yi Myoung-Woon Moon Kwang-Ryeol Lee Yu chan Kim Hyun Kwang Seok Seung Hee Han |
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| Affiliation: | 1. Center for Advanced Functional Materials, Korea Institute of Science and Technology, Seoul 130-650, Republic of Korea;2. Future Convergence Technology Laboratory, Korea Institute of Science and Technology, Seoul 130-650, Republic of Korea |
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| Abstract: | Tribological performance of diamond-like carbon (DLC) and Si doped DLC (Si-DLC) films on Ti–6Al–4V under bovine serum as well as water and ambient air condition has been studied in terms of surface modification with O2 plasma treatment for superhydrophilic surface. A tribo-test revealed that bovine serum significantly enhanced the tribological performance on all DLC surfaces in comparison with those under water or in air medium. Especially, O2 plasma treated Si-DLC coatings with superhydrophilic nature were found to lower the wear and increase coating stability associated with macromolecules especially proteins in the bovine serum and their interactions with surfaces. |
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