产 品 说 明
| 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 | |