Abstract
TiN coating of 0.5 μm thick was deposited on 9Cr18 steel by plasma arc deposition. The mechanical and tribological behaviors of the coating were comparatively investigated with that of the steel substrate by means of nanoindentation test and nanoscratch test. As a result, 9Cr18 steel and the TiN coating thereon had nanohardness about 8 GPa and 38 GPa and elastic moduli about 250 GPa and 580 GPa, respectively, which were determined by nanoindentation. The friction coefficients for the 9Cr18 steel substrate and the TiN coating thereon were approximately 0.4 and 0.12, respectively, which were determined by nanoscratch test. Therefore, the plasma-arc-deposited TiN coating could greatly improve the load-carrying and the wear resistance of the 9Cr18 steel.
| Original language | English |
|---|---|
| Pages (from-to) | 367-370 |
| Number of pages | 4 |
| Journal | Tribology |
| Volume | 23 |
| Issue number | 5 |
| State | Published - Sep 2003 |
| Externally published | Yes |
Keywords
- Microhardness
- Nanoindentation
- Nanoscratch
- TiN coatings
- Tribological behavior
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