TRA Graphite
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Reference Materials
Applications
- Structural components
- Legacy components
Specifications
| Particle size: | 5 µm (200 µin) |
| Pore size1 | 0.8 µm (32 µin) |
| Coefficient of Thermal Expansion2 | 7.9 µm/m °C (4.4 µin/in °F) |
| Compressive strength: | 118 MPa (17,100 psi) |
| Flexural strength3: | 75 MPa (10,900 psi) |
| Tensile strength4: | 75 MPa (10,900 psi) |
| Shore hardness: | 72 |
| Electrical resistivity: | 1560 µΩ-cm (615 µΩ-in) |
| Apparent density: | 1.72 g/cm3 (0.0621 lb/in3) |
| Thermal conductivity: | 85 W/m-K (50 BTU-ft/hr/ft2 °F)5 |
| Oxidation threshold6: | 450° C (840° F) |
1Measured using Hg porosimetry method. 2Average for temperature range of RT - 800°C. 3Measured using 4-point bend method. 4Estimated at 70% of flexural strength. 5Estimaged value. 6Temperature that results in 1% wt. loss in 24 hrs. Oxidation threshold increases by approximately 100°C if graphite is purified. Test sample size equals 0.5” x 0.5” x 1.0".
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