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PRODUCT DATA of Aluminium
MaterialAluminium
Chemical Composition100Al
CAS Registry ID7429-90-5
EXPERIENCE IN PRACTICE
Development StatusCommercial Product
Cost Range Low
Equivalent DesignationsAl
Space ExperienceExtensive
PHYSICAL PROPERTIES
Atomic Number13
Atomic Weight27 amu
Work Function4.2 eV
Crystal StructureFace centered cubic (fcc)
Specific Gravity2.7
Magnetic PropertiesNonmagnetic
Relative Permeability1
ELASTIC PROPERTIES
Tensile Modulus70.6 GPa
Bulk Modulus78.1 GPa
Poisson Ratio0.345
Speed of Sound (longitudinal)6420 m/s
Speed of Sound (transverse)3040 m/s
Acoustic Impedance17.3 MRayls
ELECTRICAL PROPERTIES
Electrical Volume Resistivity2.67e-8 ohm.m
Superconductivity Critical Temperature-272 °C
THERMAL PROPERTIES
Thermal Conductivity238 W/m.K
Thermal Expansion Coefficient23.5 µstrain/°C
Melting Range660 °C
Specific Heat0.917 J/g.K
RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY
EMF vs SCE-0.76 V
Remark: measured in 3.5% NaCl + water
Bimetallic CorrosionCan be used in a non-controlled environment: Al alloys, Cd
Can be used in a clean room environment: Mg, Sn-Pb alloys (all), Sn, Pb, Zn, Be
Needs specific measures: All others