| OPTICAL |
|
| |
Transmission Range |
0.6 to 40 microns |
| |
Refractive Index |
2.37069 at 10 microns |
| |
Reflection Loss |
30,3% at 10 µm (2 surfaces) |
| |
Restrahlen Peak |
135 microns |
| |
dN/dT |
-235 X 10-6/°C |
| PHYSICAL |
|
| |
Density |
7.371 g/cm3 |
| |
Melting Point |
414.5°C |
| |
Thermal Conductivity |
0.544W/(m*K) at 20°C |
| |
Thermal Expansion |
58? 10-6/°C |
| |
Hardness |
Knoop 40.2 kg/mm2 |
| |
Specific Heat Capacity |
200 J/(kg? K) at 0°C |
| |
Dielectric Constant |
32.5 |
| |
Young's Modulus (E) |
15.85 GPa |
| |
Shear Modulus (G) |
5.79 GPa |
| |
Bulk Modulus (K) |
19.78 GPa |
| |
Elastic Coefficients |
C11 = 33.1 C12 = 13.2 C44 = 5.79 |
| |
Apparent Elastic Limit |
26.2 MPa |
| |
Poisson Ratio |
0.369 |
| CHEMICAL |
|
| |
Solubility |
0.05g/100g water at 20°C |
| |
Molecular Weight |
42 mole % TlBr: 58 mole % TlI |
| |
Class/Structure |
Cubic, CsCl structure. No cleavage planes | |
|