|
Item |
Unit |
Si3N4 |
|
|
Mechanical Properties |
Density |
g/cm3 |
3.2 |
|
Porosity |
% |
0 |
|
|
Bending Strength |
Mpa |
830 |
|
|
Compressive Strength |
Mpa |
2500 |
|
|
Elastic Modulus |
Gpa |
310 |
|
|
Poisson's Ratio |
/ |
0.27 |
|
|
Hardness |
kg/mm² |
1580 |
|
|
Fracture Toughness KIC |
Mpa·m1/2 |
6.1 |
|
|
Thermal Properties |
Thermal Conductivity |
W/m·k |
30 |
|
Coefficient of Thermal Expansion |
10-6/K |
3.3 |
|
|
Maximum Operating Temperature |
°C |
1200 |
|
|
Electrical Properties |
Dielectric Constant |
/ |
8 |
|
Volume Resistivity |
ohm•cm |
>1014 |
|