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Typical Properties of Si3N4 Ceramics: Physical, Thermal & mechanical
Property |
SSN GPS-SSN HPSN RBSN |
Density (g.cm-3) |
3.28 3.30 3.23 2.5 |
Young’s Modulus (GPa) |
285 320 315 189 |
Bend Strength (MPa) |
675 750 850 440 |
Fracture Toughness K1c (MPa.m0.5) |
6 7 8 2.5 |
Hardness (GPa) |
16 16 16 7.2 |
Thermal Expansion Coefficient (x 10-6/°C) |
3.2 3.2 3.2 3.2 |
Thermal Conductivity (W/m.K) |
25 30 30 14 |
|
Maximum Temperature (°C) for application Dielectric Constant Abrasive Wear resistance Parameter |
1150 1150 1150 1100 9 9 9 7.5 1110 1130 1120 360 |