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PRODUCT DATA of Indium
MaterialIndium
Chemical Composition100In
Name of Manufacturer7440-74-6
EXPERIENCE IN PRACTICE
Equivalent DesignationsIn
PHYSICAL PROPERTIES
Atomic Number49
Atomic Weight115 amu
Work Function4.12 eV
Crystal StructureFace Centered tetragonal
Specific Gravity7.3
ELASTIC PROPERTIES
Poisson Ratio0.45
Speed of Sound (longitudinal)2560 m/s
Speed of Sound (transverse)18.7 MRayls
ELECTRICAL PROPERTIES
Electrical Volume Resistivity8.8e-8 ohm.m
Superconductivity Critical Temperature270 °C
THERMAL PROPERTIES
Thermal Conductivity81.8 W/m.K
Thermal Expansion Coefficient24.8 μstrain/°C
Melting Range157 °C
Specific Heat0.234 J/g.K
RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY
EMF vs SCE-0.57 V
Remark: Measured in 3.5% NaCl solution
Data Quality: Design Data
Sublimation10-4mm/year at 400°C
10-2mm/year at 500°C
1 mm/year at 610°C