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Boron Filament

Boron Filaments, also known as Boron Fibers, are a type of high-strength, lightweight material that are primarily used in advanced aerospace structures and composite materials. They are produced by depositing elemental boron onto a heated tungsten wire. These fibers are also used in consumer and sporting goods such as golf clubs and fishing rods. Their high strength and heat resistance make them suitable for reinforcing composite materials like ceramics, metals, and epoxy resins.
Diameter: 0.08mm
Length: 500M
Technical Name: Boron
Formula: B
Density: 2.34g/cm³
CAS Number: 7440-42-8
UOM Code: 730-356-85
SKU: 1000034917
Product Code: B-00-MT-000108

Tolerances

Filament
Diameter ±20%
Length +5% / -1%
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Tolerances

Filament
Diameter ±20%
Length +5% / -1%
Technical Data Sheet
Safety Data Sheet

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Material Properties for Metals

Atomic Properties
Element Value
Atomic number 5
Crystal structure Tetragonal
Electronic structure He 2s² 2p¹
Valences shown 3
Atomic weight( amu ) 10.81
Thermal neutron absorption cross-section( Barns ) 672
Photo-electric work function( eV ) 4.5
Natural isotope distribution( Mass No./% ) 11/ 80.2
Natural isotope distribution( Mass No./% ) 10/ 19.8
Atomic radius - Goldschmidt( nm ) 0.097
Ionisation potential( No./eV ) 4/ 259
Ionisation potential( No./eV ) 2/ 25.2
Ionisation potential( No./eV ) 1/ 8.30
Ionisation potential( No./eV ) 5/ 340
Ionisation potential( No./eV ) 337.9
Mechanical Properties
Element Value
Hardness - Mohs 9.5
Material condition Arc melted
Tensile modulus( GPa ) 441
Tensile strength( MPa ) 1580-2410
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 1.8x10¹²@27@27°C
Physical Properties
Element Value
Boiling point( C ) 3700
Density( gcm⁻³ ) 2.34-2.37@20°C
Thermal Properties
Element Value
Melting point( C ) 2180
Latent heat of evaporation( J g⁻¹ ) 35000
Latent heat of fusion( J g⁻¹ ) 2090
Specific heat( J K⁻¹ kg⁻¹ ) 1030@25°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 8.3@0-100°C
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