The parameters of wear resistant ceramics
|
specifications |
Index |
|
Content of alumina |
>=95% |
|
Density |
>=3.5 g / cubic cm |
|
Rockwell A hardness |
>=80 HRA |
|
Impact strength |
>=850 Mpa |
|
Fracture toughness |
>=4.8Mpa / sqrt meter |
|
Bending strength |
>=290Mpa |
|
Thermal conductivity |
20W/m.K |
|
Thermal expansion coefficient |
7.2×10-6m/m.K |