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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