|
|
Thermal properties |
|
|
|
Thermal
Expansion |
5.6
x 10-6K-1
@ 173°K
|
Melting Point |
1790°K
|
Thermal conductivity |
0.18W/cm/°C |
Specific heat |
0.356J/g/°C |
|
|
Mechanical
properties |
|
|
|
Young
Modulus |
6.85X1011 dyn/cm2 |
Knoop
Hardness |
110-130Kg/mm2 |
Rupture resistance |
5.7X108
dyn/cm2 |
Poisson constant |
0.28 |
|
|
Optical properties |
|
|
|
Transmission |
0.6 - 16μm |
Refractive
Index |
2.43 @ 4μm
2.40 @ 10.6μm |
|
|
Transmission
Curve
|
|
|