Zirconia ZrO2 Substrate
Zirconia is a sintered ceramic with a really low thermal conductivity that can be used up to 1000 °C. It is also the best ceramic regarding abrasion resistance. It is possible to produce parts up to a length of 400 mm.
Characteristics
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Material thickness: 0,15 – 0,25 – 0,38 – 0,5 mm
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Formats: 100 x 100 – 200 x 200 mm
Properties zirconia substrate
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High corrosion resistance
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High abrasion resistance
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Good electrical isolation
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Very good gliding properties
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High planarity
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Low thermal conductivity
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Very good mechanical strength
Zirconia ZrO2 Substrate characteristics
|
CHARACTERISTICS |
ZrO2 |
|
|
Colour |
/ |
White/Yellowish |
|
Density |
g/cm3 |
5,85 |
|
Surface roughness RmaxUpper |
µm |
7 |
|
Surface roughness RmaxLower |
µm |
2 |
|
Surface roughness RaUpper |
µm |
0,8 |
|
Surface roughness RaLower |
µm |
0,2 |
|
Bending strength (Thickness 500 µm) |
N/mm² |
> 1000 |
|
Thermal conductivity |
W/(K.m) |
1,7 |
|
Dielectric strength |
kV/mm |
> 30 |
|
Resistivity |
Ohm.µm |
1014 |
|
Coef. of Thermal Expansion 20-600°C |
10-6/ K-1 |
10,5 |