|
Home
> Technology
Overview >
Cerablak™ >
Properties |
|
|
Cerablak™ offers a unique combination of properties with the
primary ones listed in the figure on the left. Along with the ability to
develop Cerablak™ as a hermetic film at low cost and a simple and versatile
application process, the combination of such properties can be exploited for
a wide range of applications. |
|
 |
|
|
|
Hardness |
~7GPa |
|
Unique Properties |
|
Surface energy |
32 mN/m2 |
|
-
High-temperature oxide glass
-
Tailorable properties (CTE, color, coating thickness)
-
Excellent oxygen barrier
|
|
Friction coefficient |
0.1 – 0.14 |
|
|
Oxygen diffusivity |
~1x10-9 –
1x10-10 cm2/s
(1300 – 1400°C) |
|
|
Thermal conductivity |
1.0 – 1.5 W/mK
(25 – 1300°C) |
|
Versatile Product |
|
Coeff. of thermal
expansion |
~5 x 10–6 /K |
|
|
|
Density |
2.0 – 2.5 g/cm3 |
|
|
Dielectric constant |
3.3 – 5 |
|
|
Melting point |
~1600°C |
|
|
Emissivity |
0.9 – 0.95 |
|
|
Color of powder |
Black or white |
|
|
Color of thin film |
Transparent |
|
|
Comparison of properties of
Cerablak™ with other Materials |
|
|
| |
Teflon |
Enamel |
Cerablak™ |
Al2O3 |
Cr2O3 |
|
Environmentally Friendly |
|
Melting point (ºC) |
327 |
1550 |
> 1600 |
2015 |
2300 |
|
|
|
Max use temp (ºC) |
260 |
850– 1000 |
> 1400 |
1750 |
1000 |
|
|
Density |
2.15 |
2.5 – 3 |
2 – 2.5 |
3.96 |
5.2 |
|
|
Oxidation protection |
No |
Yes |
Yes |
Yes |
Yes |
|
Cost-Efficient |
|
Corrosion protection |
Yes |
Yes |
Yes |
Yes |
Yes |
|
|
|
Non–stick properties |
Yes |
Limited |
Yes |
No |
No |
|
|
Environmentally friendly |
No |
No |
Yes |
No |
No |
|
|
Easy to apply |
Yes |
No |
Yes |
No |
No |
|
|
Low cost |
Yes |
No |
Yes |
No |
No |
|
|
|
|
Cerablak™ Application |
Applied Thin Films, Inc.
