dialong® is a ta-C DLC coating, deposited to a temperature below 100 °C with a standard thickness of 1 µm (customized thicknesses can be requested). The dialong® coating has a sp3 percentage (typical of natural diamond) of about 75% and a hardness of about 52 GPa (5300 HV).
Features
Advantages
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| VDI abbreviation | ta-C |
| Process | PVD Arc |
| Structure | Amorphous |
| sp3 fraction [%] | 75 |
| Color | Black grey |
| Thickness | 1 µm |
| Max. operating temperature [°C] | 500 |
| Hardness [GPa] | 52 |
| Friction coefficient | 0.1 |
All provided data are approximate values, depend on the application, environment and test conditions. Coating hardness HIT [GPa] measured by nano indentation according to ISO 14577. Hardness can be adapted to the application. Friction coefficient (dry) compared to the steel determined by ball-on-disc dry test with a steel sphere according to ASTM G99. During the running-in the indicated values may be exceeded. Maximum service temperature [° C] These are approximate values.
High hardness: protection against abrasive wear, longer tool life, lower production costs.
High thermal stability up to 500 ° C: possibility of MQL and dry processing.
Protection against adhesive wear: longer tool life and better quality of the processed component.
dialong® has proven effective on cutting tools for turning, milling, drilling, countersinking, boring of non-ferrous materials such as:
- aluminum alloys up to 13% of Si
- brass, copper, bronze, silver, gold, platinum
- some types of titanium
- graphite, FR4 PCB data sheets and composite materials
- wood, plastic, epoxy resins
dialong®
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