Continuous single filament with zero twist.

Elemental boron is deposited on a fine Tungsten wire substrate with 5 microns diameter. The resulting fibre is essentially amorphous boron with Tungsten boride core at about 15 microns diameter.

订货号	包装规格
Length (Round)
988-350-69	5m
543-828-88	10m
978-612-47	20m
326-553-15	50m
819-148-34	100m
393-540-48	200m

半岛bd体育手机客户端 参数

Diameter[直径]	0.1mm
Length[长度]	5m - 200m
Physical Properties(物理性质)
Boiling point ( C )	3700
Density ( g cm?? )	2.340 - 2.370 @20℃
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?? )	8.300 @0-100℃
Latent heat of evaporation ( J g?? )	35000
Latent heat of fusion ( J g?? )	2090.00
Melting point ( C )	2180.00
Specific heat ( J K?? kg?? )	1030.0 @25℃
Atomic Properties(原子属性)
Atomic number	5
Atomic weight ( amu )	10.81000
Crystal structure	Tetragonal
Electronic structure	He2s?2p?
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 )	3 37.9
Natural isotope distribution ( Mass No./% )	11 / 80.2
Natural isotope distribution ( Mass No./% )	10 / 19.8
Photo-electric work function ( eV )	4.50
Thermal neutron absorption cross-section ( Barns )	672.0000
Valences shown	3
Mechanical Properties(机械性能)
Hardness - Mohs ( Arc melted )	9.50
Material condition	Arc Melted
Tensile modulus ( GPa ) ( Arc melted )	441.00
Tensile strength ( MPa ) ( Arc melted )	1580.00 - 2410.00
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm )	1.8x10??@27℃

其他参数

公差

直径		±20%
长度		+5% / -1%