Abstract
Potassium titanate whiskers (PTW )is a promising reinforced filler material for the composites. The friction and wear properties of polytetrafluoroethylene(PTFE)reinforced with PTW at different PTW content, temperature, load and sliding speed were investigated. Compared to PTFE, PTFE composites has higher abrasive resistance and steadier friction coefficient. The wear, loading limit and sliding speed limit of PTFE composites were respectively one tenth, 110% and 160% that of PTFE. The optimum content of PTW is only about 5%, which is similar to the nano-composites. It shows that PTFE and PTFE composites have lower wear mass loss but higher wear traces surface at 200°C than that at 25°C. By SEM, it is found that PTW are effective in impeding large-scale fragmentation of PTFE, thereby increasing in wear resistance.
| Original language | English |
|---|---|
| Pages (from-to) | 129-132 |
| Number of pages | 4 |
| Journal | Gaofenzi Cailiao Kexue Yu Gongcheng/Polymeric Materials Science and Engineering |
| Volume | 20 |
| Issue number | 5 |
| State | Published - Sep 2004 |
Keywords
- Composite
- Friction
- PTFE
- Potassium titanate whiskers
- Wear