dropless® 7000 Plus is the ta-C DLC coating deposited using Argor-Aljba's patented dropless® technology at a temperature of less than 100 °C with a standard thickness of 1 µm. The dropless® 7000 plus coating has a very high sp3 percentage (typical of natural diamond) of about 85% and a hardness of about 68 GPa (7000 HV). It comes in a anthracite colour.
Characteristics
Advantages
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| VDI abbreviation | ta-C |
| Process | PVD Arc |
| Structure | Amorphous |
| sp3 fraction [%] | 85 |
| Color | Anthracite |
| Thickness | 1 µm |
| Max. operating temperature [°C] | 350 |
| Hardness [GPa] | 68 |
| Friction coefficient | 0.1 |
All data given are approximate values, depending on application, environment and test conditions. Coating hardness HIT [GPa] Measured by nano indentation according to ISO 14577. The hardness can be adapted to the application. Coefficient of friction (dry) versus steel determined by dry disc ball test with a steel ball according to ASTM G99. These values may be exceeded during run-in. Maximum service temperature [°C] These are approximate values.
High coating hardness, protection against adhesive and friction wear.
High thermal stability up to 350 °C: possibility of MQL and dry finishes.
Dropless® deposition technology does not alter surface roughness and, under certain conditions, helps to reduce it. dropless® 7000 Plus lends itself to a wide range of applications:
- cutting tools for turning, milling, drilling, countersinking, reaming of non-ferrous materials
- particularly suitable for both carbide and ceramic micro-tools
- moulds
dropless® 7000 Plus
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