SUPERSiC®-3C
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- High temperature deposition
- Low cost optics and structures
- Chemical Vapor Deposition (CVD)
Specifications
Apparent density: | 3.15 g/cm3 (0.114 lb/in3) |
Bulk density: | 2.55 g/cm3 (0.092 lb/in3) |
Total porosity: | 20% (porosity is sealed under the dense coating, porosity is not exposed to the process) |
Open porosity: | 0% (porosity sealed off by CVD SiC coating) |
Total impurity level: | <10 ppm |
Flexural strength: | 155 MPa (22,400 psi) |
Tensile strength: | 129 MPa (18,700 psi) |
Elastic modulus: | 217 GPa (31.4 106 psi) |
Specific stiffness: | 85 kN.m/g |
Poisson’s ratio: | 0.17 |
Dynamic shear modulus: | 97 GPa (14 106 psi) |
Fracture toughness: | 2.44 MPa.m0.5 |
Thermal diffusivity: | 100 mm2/s |
Thermal conductivity: | 170 W/m-K (98 BTU-ft/hr/ft2°F) |
Instantaneous CTE at RT: | 2.4 10-6/K (1.3 10-6/°F) |
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