Abstract
Highly oriented CeO2-, Y2O3- and MgO-doped ZrO2 thin films have been successfully prepared by a sol-gel process by dip-coating an ethanol solution of zirconium oxychloride octahydrate and the corresponding inorganic dopants. The doped ZrO2 films contain only the zirconia tetragonal phase and show nano-scale morphology. Under low load, doped ZrO2 films sliding against a AISI 52100 steel ball display a good wear and friction performance. Best results have been obtained with the 13 mol% CeO2- doped ZrO2 film, which exhibits a friction coefficient as low as 0.22 and a wear-life over 5000 sliding cycles under 1 N load.
| Original language | English |
|---|---|
| Pages (from-to) | 349-354 |
| Number of pages | 6 |
| Journal | Ceramics International |
| Volume | 28 |
| Issue number | 4 |
| DOIs | |
| State | Published - 2002 |
| Externally published | Yes |
Keywords
- Doped zirconia thin films
- Sol-gel
- Tribological performance
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