dialong®-G is a the ta-C DLC coating deposited at a temperature below 100 °C with a standard thickness of 0.5 µm. The dialong®-G coating has a sp3 percentage (typical of the natural diamond) of about 75% and a hardness of about 47 GPa (4800 HV). dialong®-G offers good performance for tools processing both non-ferrous and wood materials.
With dialong®-G tools with diameters up to 200 mm and lenghts up to approx. 500 mm can be coated.
| VDI abbreviation | ta-C |
| Processus | PVD Arc |
| Structure | Amorphous |
| sp3 fraction [%] | 75 |
| Color | Rainbow |
| Thickness | 0.5 µm |
| Max.operating temperature [°C] | 500 |
| Hardness [GPa] | 48 |
| 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 thermal stability up to 500 ° C: possibility of MQL and dry processing.
dialong®-G has proven effective on cutting tools for milling, drilling and boring of non-ferrous materials and non-hard wood. With dialong®-G are processed:
- aluminum alloys up to 10% of Si
- some composite materials
- PMMA, epoxy resins
- various types of wood essences
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