| All data is for information only------(Home) | |
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| PRODUCT DATA of Gold |
| Material | Gold |
| Chemical Composition | 100Au |
| CAS Registry ID | 7440-57-5 |
| EXPERIENCE IN PRACTICE |
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| Development Status | Commercial Product |
| Equivalent Designations | Au |
| Space Experience | Good |
| PHYSICAL PROPERTIES |
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| Atomic Number | 79 |
| Atomic Weight | 196.96655 |
| Work Function | 5.1 eV |
| Crystal Structure | Face centered cubic (fcc) |
| Surface Energy | 1500 mJ/m^2 |
| Specific Gravity | 19.3 |
| ELASTIC PROPERTIES |
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| Tensile Modulus | 80.6 GPa |
| Bulk Modulus | 169 GPa |
| Poisson Ratio | 0.42 |
| Speed of Sound (longitudinal) | 3200 m/s |
| Speed of Sound (transverse) | 1200 m/s |
| Acoustic Impedance | 62.6 MRayls |
| ELECTRICAL PROPERTIES |
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| Electrical Volume Resistivity | 2.35e-8 ohm.m |
| Electrical Conductivity | 77 %IACS |
| THERMAL PROPERTIES |
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| Thermal Conductivity | 297 W/m.K |
| Thermal Expansion Coefficient | 14.2 μstrain/°C |
| Specific Heat | 0.13 J/g.K |
| Melting Range | 1060 °C |
| RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY |
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| EMF vs SCE | 0.15 eV Remark: Measured in 3.5% NaCl solution Data Quality: Design Data |