Ceramic Materials Table
SPT has a wide experience in developing ceramic materials.
Download Materials Table (PDF, 63KB)
1. "Alumina" Ceramic
|
Properties |
Units |
Al2O3 |
Al2O3 |
Polycrystalline |
Zirconia Toughened |
Zirconia Toughened |
|
SPT Denomination |
|
A |
C |
R |
CT |
AZ |
|
Density |
g/cm3 |
3.9 |
3.98 |
3.9 |
4.0 |
4.25 |
|
Color |
|
White |
White (Translucent available) |
Red (Translucent available) |
White |
White |
|
Flexural Strength Typical |
MPa |
310 |
610 |
520 |
550 |
985 |
|
Hardness |
HV 1 |
1'800 |
2'100 |
2'200 |
2'050 |
2'000 |
|
Grain Size |
µm |
< 8 |
< 1 |
< 2 |
< 1 |
< 0.9 |
|
Characteristics |
|
|
|
|
|
2. "Zirconia" Ceramic
|
Properties |
Units |
Zirconia |
Zirconia |
Zirconia |
Zirconia ESD |
|
SPT Denomination |
|
Z |
ZF |
AZO |
ZESD |
|
Density |
g/cm3 |
6.0 |
6.0 |
5.5 |
4.4 |
|
Color |
|
Ivory or Anthracite |
White |
White |
Anthracite |
|
Flexural Strength Typical |
MPa |
1'350 |
1'400 |
2'000 |
- |
|
Hardness |
HV 1 |
1'300 |
1'300 |
1'500 |
1'100 |
|
Grain Size |
µm |
< 0.6 |
< 0.6 |
< 0.5 |
- |
|
Characteristics |
|
|
|
|
Electrostatic Dissipative |
All properties are typical and considered accurate according to tests used by Small Precision Tools. SPT does not guarantee results or warrant that materials are suitable for any particular purpose. Material selection and testing is the responsibility of the user.
SEM photos of ceramic parts produced by SPT
 |
Material: Alumina Al2O3 99.99% Enlargement: x5'000 Average Grain Size: 0.8μm |
 |
Material: Zirconia ZrO2-3Y Enlargement: x10'000 Average Grain Size: 0.6μm |
See also
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