dianoir® G4, deposited with a temperature below 190ºC is perfect for coating complex shapes; thanks to the combination of two technologies, the Argor-Aljba technicians, have obtained a very compact coating with a remarkable resistance to the abrasion. dianoir® G4 is resistant to acid and alkaline chemicals and solvents and is hypoallergenic.
dianoir® G4
Characteristics
Advantages
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| VDI abbreviation | multilayer a-C:H |
| Process | PACVD + HiPIMS |
| Structure | Amorphous |
| Content in sp3 [%] | 40-60 |
| Color | Intense black |
| Thickness | 2-3 µm |
| Max. operating temperature [°C] | 400 |
| Hardness [GPa] | 19-24 |
| Friction coefficient | 0.12 |
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.
dianoir®G4, specially indicated for watch and fashion components, has the following advantages:
- excellent adhesion on brass, stainless steel and titanium alloys components
- extremely compact coating layer and homogeneous black color
- decorative and functional coating with remarkable resistance against abrasion and scratches
- non-toxic process and biological compatibility are optimal properties for the use of dianoir®G4 in contact with the human skin
- ideal for all watches and fashion components that will benefit from an improvement in their tribological and decorative properties
dianoir® G4
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