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Aluminum Top Hat Single Crystal

Formula: Al
Form: Single Crystal
Material: Aluminum
CAS Number: 7429-90-5
Commodity: Metals
Purity: 99.999%
Top Section Thickness: 1mm
Bottom Section Thickness: 1mm
Inside Diameter: 8mm
Outside Diameter: 10mm
Goodfellow's Aluminum Top Hat Single Crystal is a specialized material designed for advanced research and precision applications. This product features a unique "top hat" shape, consisting of a single, continuous crystal of aluminum with a specific orientation. The distinctive geometry, combined with the perfect atomic alignment of a single crystal, makes it particularly valuable for studies requiring controlled deformation or specific crystallographic orientations. Aluminum Top Hat Single Crystals find significant use in scientific research, especially in fields such as materials science, mechanical engineering, and solid-state physics. They serve as ideal specimens for studying deformation mechanisms, grain boundary formation, and recrystallization processes under controlled conditions. In mechanical testing, their unique shape allows for precise application of stress and strain, making them valuable for investigating material behavior under complex loading conditions. Cutting-edge research utilizes these crystals in developing advanced modeling techniques for material behavior prediction and in studying the fundamentals of metal plasticity. The unique properties and shape of Aluminum Top Hat Single Crystals make them a subject of ongoing research in fields such as nanoindentation, electron microscopy, and advanced materials characterization. While their industrial applications are limited due to their specialized nature, their significance in scientific investigations underscores their importance in advancing our understanding of material behavior at the microscopic level and in developing new methodologies for materials testing and analysis.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Single Crystal
Orientation See Item
Thickness +2% / -1%
Length +2% / -1%
Top Hat
Inside Diameter +2% / -1%
Outside Diameter +2% / -1%
Bottom Section Thickness +2% / -1%
Top Section Thickness +2% / -1%

Material Properties for Metals

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 ) 4/ 120
Ionisation potential( No./eV ) 5/ 154
Ionisation potential( No./eV ) 6/ 190
Ionisation potential( No./eV ) 1/ 5.99
Ionisation potential( No./eV ) 3/ 28.4
Ionisation potential( No./eV ) 2/ 18.8
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 ) 130-195
Tensile strength( MPa ) 50-90
Yield strength( MPa ) 110-170
Yield strength( MPa ) Oct-35
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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