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PRODUCT DATA of Cobald
MaterialCobald
Chemical Composition100Co
CAS Registry ID7440-48-4
EXPERIENCE IN PRACTICE
Equivalent DesignationsCo
PHYSICAL PROPERTIES
Atomic Number27
Atomic Weight58.9 amu
Work Function5 eV
Crystal StructureHexagonal close packed (hcp)
Specific Gravity8.9
ELASTIC PROPERTIES
Tensile Modulus209 GPa
Shear Modulus75 GPa
Bulk Modulus180 GPa
Poisson Ratio0.31
Speed of Sound (longitudinal)4720 m/s
ELECTRICAL PROPERTIES
Electrical Volume Resistivity6.34e-8 ohm.m
THERMAL PROPERTIES
Thermal Conductivity96 W/m.K
Thermal Expansion Coefficient12.5 μstrain/°C
Melting Range1490 °C
Specific Heat0.427 J/g.K
RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY
EMF vs SCE-0.32 V
Remark: Measured in 3.5% NaCl solution
Data Quality: Design Data