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Aluminum Disk

Formula: Al
Form: Disk
Material: Aluminum
CAS Number: 7429-90-5
Commodity: Metals
Goodfellow’s ultra-high-purity aluminum disks, with a maximum purity of 99.9999% (6N), are ideal for applications requiring exceptional thermal and electrical conductivity. Aluminum’s lightweight nature, corrosion resistance, and high reflectivity make it a versatile material. It is widely used in the aerospace, semiconductor, and electronics industries. Specific applications include superconductors, integrated circuits, and optical reflectors. In research, it is critical for thin-film deposition and cryogenic studies. Its purity ensures minimal defects, making it indispensable for advanced scientific and industrial innovations. Aluminum’s role in enabling high-performance materials and devices underscores its significance across various sectors.
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Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Disk
Thickness >0.05mm ±10%
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%

Material Properties for Metals

Atomic Properties
Mechanical Properties
Electrical Properties
Physical Properties
Thermal Properties
Atomic Properties
Element Value
Atomic number 13
Crystal structure Face centred cubic
Electronic structure Ne 3s² 3p¹
Valences shown 3
Atomic weight( amu ) 26.98154
Thermal neutron absorption cross-section( Barns ) 0.232
Photo-electric work function( eV ) 4.2
Atomic radius - Goldschmidt( nm ) 0.143
Ionisation potential( No./eV ) 6/ 190
Ionisation potential( No./eV ) 2/ 18.8
Ionisation potential( No./eV ) 1/ 5.99
Ionisation potential( No./eV ) 3/ 28.4
Ionisation potential( No./eV ) 5/ 154
Ionisation potential( No./eV ) 4/ 120
Mechanical Properties
Element Value
Material condition Soft
Material condition Hard
Poisson's ratio 0.345
Poisson's ratio 0.345
Bulk modulus( GPa ) 75.2
Bulk modulus( GPa ) 75.2
Tensile modulus( GPa ) 70.6
Tensile modulus( GPa ) 70.6
Hardness - Vickers( kgf mm⁻² ) 21
Hardness - Vickers( kgf mm⁻² ) 35-48
Tensile strength( MPa ) 50-90
Tensile strength( MPa ) 130-195
Yield strength( MPa ) Oct-35
Yield strength( MPa ) 110-170
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 2.67@20@20°C
Superconductivity critical temperature( K ) 1.175
Temperature coefficient( K⁻¹ ) 0.0045@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) 0.42
Physical Properties
Element Value
Boiling point( C ) 2467
Density( gcm⁻³ ) 2.7@20°C
Thermal Properties
Element Value
Melting point( C ) 660.4
Latent heat of evaporation( J g⁻¹ ) 10800
Latent heat of fusion( J g⁻¹ ) 388
Specific heat( J K⁻¹ kg⁻¹ ) 900@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 237@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 23.5@0-100°C

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