| Property* | Value |
|---|---|
| General | |
| Chemical Formula | Si |
| Mechanical | |
| Density | 2.33 gm/cc |
| Hardness | 1150 Knoop |
| Tensile Strength | 113 MPa |
| Modulus of Elasticity | 112 GPa (Young's) |
| Flexural Strength | ~300 MPa |
| Poisson's Ratio | 0.28 |
| Fracture Toughness | 3 - 6 MPa m½ |
| Electrical | |
| Dielectric Constant | 11.8 (@ 1 MHz) |
| Volume Resistivity | 10-3 ohm-cm |
| Thermal | |
| Coefficient of Thermal Expansion | 2.6 x 10-6/°C |
| Thermal Conductivity | 156 W/mK |
| Specific Heat | 0.15 cal/g °C |
| Maximum Working Temperature | 1350 °C |
| Optical | |
| Index of Refraction | 1.54 |
| Transmission Band | 0.30 - 37 Wavelength (microns) In the IR Range |
| All properties are at room temperature unless otherwise noted. Engineering data are representative, and are not intended as absolute nor warrantable. Manufacturer’s Data shown is blended from multiple sources and therefore illustrates the marketplace. | |
Wikipedia Reference for Silicon
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