Abstract
The effect of normal load and sliding speed on the tribological properties of a thin film of ultra-high-molecular-weight polyethylene (UHMWPE) coated onto a polyether ether ketone (PEEK) substrate sliding against a stainless steel ball in dry conditions are investigated. Wear tests are carried out with a ball-on-disc configuration to evaluate the tribological properties of the plasma-treated PEEK samples coated with UHMWPE film at different normal loads (5, 7, and 9 N) and linear speeds (0.1, 0.2, and 0.5 m/s). The coated samples exhibited a very low coefficient of friction of ∼0.09 compared to that of uncoated PEEK samples, which showed a coefficient of friction of ∼0.3.
| Original language | English |
|---|---|
| Pages (from-to) | 881-887 |
| Number of pages | 7 |
| Journal | Tribology Transactions |
| Volume | 60 |
| Issue number | 5 |
| DOIs | |
| State | Published - 3 Sep 2017 |
Bibliographical note
Publisher Copyright:© 2017 Society of Tribologists and Lubrication Engineers.
Keywords
- PEEK
- Thin films
- UHMWPE
- friction
- plasma treatment
- wear
ASJC Scopus subject areas
- Mechanics of Materials
- Mechanical Engineering
- Surfaces and Interfaces
- Surfaces, Coatings and Films
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