Abstract
DLC coatings are currently used in a wide variety of industrial fields because of their outstanding properties such as high hardness, high wear resistance, low friction and so on under oil lubrication as well as no lubrication. The tribological properties were compared with six types of DLC coatings: amorphous hydrogenated DLC (a-C:H), that doped with tungsten (a-C:H:W), that doped with silicon (a-C:H:Si) and hydrogen-free DLC (ta-C). Sliding tests were conducted under water lubrication at sliding velocities of 0.02 m/s and 0.1 m/s. DLC coatings showed low friction coefficient and excellent wear resistance. Friction coefficient and wear rate decreased with increasing sliding velocity. The effect of surface wettability and mechanical properties on tribological characteristic were investigated. Friction coefficient decreased as the contact angle increased. Hydrogen-free DLC-4 with the highest hardness showed the highest friction and a larger wear. Furthermore, DLC coatings deposited with interlayer showed longer lifetimes.
| Original language | English |
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| Title of host publication | 2015 IFToMM World Congress Proceedings, IFToMM 2015 |
| Publisher | National Taiwan University |
| ISBN (Electronic) | 9789860460988 |
| DOIs | |
| Publication status | Published - 2015 |
| Event | 14th International Federation for the Promotion of Mechanism and Machine Science World Congress, IFToMM 2015 - Taipei, Taiwan, Province of China Duration: Oct 25 2015 → Oct 30 2015 |
Other
| Other | 14th International Federation for the Promotion of Mechanism and Machine Science World Congress, IFToMM 2015 |
|---|---|
| Country/Territory | Taiwan, Province of China |
| City | Taipei |
| Period | 10/25/15 → 10/30/15 |
Keywords
- DLC
- Friction
- Water lubrication
- Wear
ASJC Scopus subject areas
- Mechanical Engineering
- History