List of Physical Characteristic Parameters of Ceramic Cylinder Sleeves
Material
item |
Aluminum oxide |
ZTA |
Zirconia |
| Volume density(g/cm3) |
3.9 |
4.17 |
6.0 |
| Vickers hardness(GPa) |
13 |
12 |
11 |
| Bending strength(MPa) |
350 |
480 |
800 |
| Fracture tenacity(MPa.m1/2) |
4 |
5 |
9 |
| Young's modulus(GPa) |
370 |
330 |
200 |
| Abrasion resistance(min/cm3) |
15 |
35 |
40 |
| Linear expansion coefficient(40-800ºC)(×10-6/ºC) |
8.0 |
8.8 |
11.0 |
| Roughness(Ra)(μm) |
0.3 |
0.2 |
0.1 |
| Acid resistant(95%sulfuric acid,95ºC)(WT Loss,mg/cm2.d) |
0.25 |
0.2 |
0.04 |
| Alkali resistance(30%caustic sodium,80ºC)(WT Loss,mg/cm2.d) |
0.05 |
0.06 |
0.08 |
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