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Chemical composition, mechanical properties and thickness of the coatings.
| Coating | CrAlN | CrAlAgN | CrAlN/TiAlN |
|---|---|---|---|
| Chemical Composition (at.%) | Cr—36.2 Al—14.2 N—49.6 |
Cr—30.3 Al—9.8 Ag—10.3 N—49.7 |
Cr—24.3 Al—14.8 Ti—13.3 N—47.5 |
| Hardness (GPa) | 18 | 20 | 20 |
| Young’s Modulos (GPa) | 280 | 251 | 469 |
| Elastic strain to failure (H/E) parameter | 0.064 | 0.080 | 0.043 |
| Coating thickness (µm) | 2.6 | 3.1 | 3.5 |
