Ceramic Property Comparison
International Syalons offer a range of silicon nitride based sialon, alumina, zirconia and silicon carbide advanced ceramics. These materials will potentially meet your needs in many testing industrial and engineering environments.
In an effort to show how our materials offer a unique set of physical properties, the graphs below compare some properties of our various grades of Syalon, Aluminon, Zircalon and Sycarb with reaction bonded silicon nitride (RBSN) and mullite. (Comparative data comes from technical literature).
Modulus of Rupture
Room temperature modulus of rupture (MPa)
RBSN |
|
Mullite |
|
Aluminon 96 (Al2O3) |
|
Aluminon 995 (Al2O3) |
|
Aluminon 999 (Al2O3) |
|
Sycarb 10 (SSiC) |
|
Sycarb 20 (SiSiC) |
|
Syalon 050 |
|
Syalon 101 |
|
Syalon 110 |
|
Syalon 201 |
|
Syalon 501 |
|
Zircalon 5 (ZrO2) |
|
Zircalon 10 (ZrO2) |
|
Zircalon 20 (ZrO2) |
|
Modulus of rupture at 1000 °C (MPa)
Aluminon 96 (Al2O3) |
|
Aluminon 995 (Al2O3) |
|
Aluminon 999 (Al2O3) |
|
Sycarb 10 (SSiC) |
|
Sycarb 20 (SiSiC) |
|
Syalon 050 |
|
Syalon 101 |
|
Syalon 110 |
|
Syalon 201 |
|
Note RBSN, mullite, Syalon 501 and Zirconia could not be tested at 1000 °C.
Hardness
Room temperature hardness (Hv50 Kg/mm2)
RBSN |
|
Mullite |
|
Aluminon 96 (Al2O3) |
|
Aluminon 995 (Al2O3) |
|
Aluminon 999 (Al2O3) |
|
Sycarb 10 (SSiC) |
|
Sycarb 20 (SiSiC) |
|
Syalon 050 |
|
Syalon 101 |
|
Syalon 110 |
|
Syalon 201 |
|
Syalon 501 |
|
Zircalon 5 (ZrO2) |
|
Zircalon 10 (ZrO2) |
|
Zircalon 20 (ZrO2) |
|
Fracture Toughness K1C
Fracture Toughness K1C (MPa m½)
RBSN |
|
Mullite |
|
Aluminon 96 (Al2O3) |
|
Aluminon 995 (Al2O3) |
|
Aluminon 999 (Al2O3) |
|
Sycarb 10 (SSiC) |
|
Sycarb 20 (SiSiC) |
|
Syalon 050 |
|
Syalon 101 |
|
Syalon 110 |
|
Syalon 201 |
|
Syalon 501 |
|
Zircalon 5 (ZrO2) |
|
Zircalon 10 (ZrO2) |
|
Zircalon 20 (ZrO2) |
|
Thermal Shock Resistance
Thermal Shock Resistance (ΔT°C quenched in cold water)
RBSN |
|
Mullite |
|
Aluminon 96 (Al2O3) |
|
Aluminon 995 (Al2O3) |
|
Aluminon 999 (Al2O3) |
|
Sycarb 10 (SSiC) |
|
Sycarb 20 (SiSiC) |
|
Syalon 050 |
|
Syalon 101 |
|
Syalon 110 |
|
Syalon 201 |
|
Syalon 501 |
|
Zircalon 5 (ZrO2) |
|
Zircalon 10 (ZrO2) |
|
Zircalon 20 (ZrO2) |
|
Thermal Conductivity
Room Temperature Thermal Conductivity (W/(mK))
RBSN |
|
Mullite |
|
Aluminon 96 (Al2O3) |
|
Aluminon 995 (Al2O3) |
|
Aluminon 999 (Al2O3) |
|
Sycarb 10 (SSiC) |
|
Sycarb 20 (SiSiC) |
|
Syalon 050 |
|
Syalon 101 |
|
Syalon 110 |
|
Syalon 201 |
|
Syalon 501 |
|
Zircalon 5 (ZrO2) |
|
Zircalon 10 (ZrO2) |
|
Zircalon 20 (ZrO2) |
|
Thermal Expansion Coefficient
Room Temperature Thermal Expansion Coefficient (X10-6K-1)
RBSN |
|
Mullite |
|
Aluminon 96 (Al2O3) |
|
Aluminon 995 (Al2O3) |
|
Aluminon 999 (Al2O3) |
|
Sycarb 10 (SSiC) |
|
Sycarb 20 (SiSiC) |
|
Syalon 050 |
|
Syalon 101 |
|
Syalon 110 |
|
Syalon 201 |
|
Syalon 501 |
|
Zircalon 5 (ZrO2) |
|
Zircalon 10 (ZrO2) |
|
Zircalon 20 (ZrO2) |
|
Density
Density (g/cc)
RBSN |
|
Mullite |
|
Aluminon 96 (Al2O3) |
|
Aluminon 995 (Al2O3) |
|
Aluminon 999 (Al2O3) |
|
Sycarb 10 (SSiC) |
|
Sycarb 20 (SiSiC) |
|
Syalon 050 |
|
Syalon 101 |
|
Syalon 110 |
|
Syalon 201 |
|
Syalon 501 |
|
Zircalon 5 (ZrO2) |
|
Zircalon 10 (ZrO2) |
|
Zircalon 20 (ZrO2) |
|