| All data is for information only------(<---links) | |
|---|---|
| PRODUCT DATA of Carbon |
| Material | Carbon |
| Effects of Space environment | In space graphite is not a lubricant |
| Product Type | Graphite |
| Chemical Composition | 100C |
| CAS Registry ID | 7440-44-0 |
| EXPERIENCE IN PRACTICE |
|---|
| Development Status | Special Commercial Product |
| Equivalent Designations | C |
| PHYSICAL PROPERTIES |
|---|
| Atomic Number | 6 |
| Atomic Weight | 12 amu |
| Work Function | 4.8 eV |
| Crystal Structure | Hexagonal |
| Specific Gravity | 2.25 |
| ELASTIC PROPERTIES |
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| Tensile Modulus | 4.8 GPa |
| Shear Modulus | 1.8 GPa |
| Bulk Modulus | 3.3 GPa |
| Poisson Ratio | 0.25 |
| Speed of Sound (longitudinal) | 18400 m/s |
| ELECTRICAL PROPERTIES |
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| Electrical Volume Resistivity | 0.0000138 ohm.m |
| THERMAL PROPERTIES |
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| Thermal Conductivity | 80 to 240 W/m.K |
| Thermal Expansion Coefficient | 0.6 to 5.3 μstrain/°C |
| Melting Range | 3650 °C |
| Specific Heat | 0.712 J/g.K |
| RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY |
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| EMF vs SCE | 0.06 to 0.15 V Remark: Measured in 3.5% NaCl solution Data Quality: Design Data |