| PROPERTIES
OF DLC COATINGS |
| PROPERTIES |
PERFORMANCE |
| Wear
protection |
Wear
factor between 5 x 10-8 mm3/Nm and 5 x 10-7
mm3/Nm in ball-on disk tribotest in air, humid air and under
water. |
| Coefficient
of friction |
0.05
- 0.15 against 100 Cr6 steel |
| Adhesion |
Excellent
adhesion to a wide range of substrates including metals, plastics and ceramics,
without need for an interlayer. Critical load above 30 N measured in scratch
test. Passed boiling water test. |
| Thickness |
0.01 - 10 µm |
| Deposition temperature |
below 200 °C |
| Hardness |
10
- 32 GPa, as desired. |
| Modulus
of elasticity |
100
- 340 GPa |
| Residual
stress |
0.2
- 1 GPa (significantly lower than diamond-like carbon) |
| Non-sticking |
Contact
angle of water up to 95°. Surface energy between 20 and 30 mN/m
Excellent release
properties for a variety of plastics. |
| Electrical
conductivity |
Controllable
between 1014 cm and 10-2cm. |
| Dielectric
breakdown strength |
>
106 V/cm |
| Light
transmission |
Opaque
to UV, transparent in visible light, highly transparent in IR. |
| Thermal stability |
Up to 400 °C |