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 |