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PRODUCT DATA of Platinum
MaterialPlatinum
Chemical Composition100Pt
CAS Registry ID7440-06-4
EXPERIENCE IN PRACTICE
Development StatusSpecial Commercial Product
Cost RangeHigh
Equivalent DesignationsPt
Space ExperienceGood
PHYSICAL PROPERTIES
Atomic Number78
Atomic Weight195 amu
Work Function5.3 eV
Crystal StructureFace centered cubic (fcc)
Surface Energy2490 mJ/m^2
Specific Gravity21.5
Relative Permeability1
ELASTIC PROPERTIES
Tensile Modulus147 GPa
Poisson Ratio0.39
Speed of Sound (longitudinal)3300 m/s
Speed of Sound (transverse)1700 m/s
Acoustic Impedance69.8 MRayls
ELECTRICAL PROPERTIES
Electrical Volume Resistivity9.83e-8 ohm.m
THERMAL PROPERTIES
Thermal Conductivity69.1 W/m.K
Thermal Expansion Coefficient8.9 μstrain/°C
Melting Range1770 °C
Specific Heat0.131 J/g.K
RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY
EMF vs SCE0.17 V
Remark: Measured in 3.5% NaCl solution
Data Quality: Design Data