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Formula: V
Form: Thin Film
Material: Vanadium
CAS Number: 7440-62-2
Commodity: Metals
Purity:
99.8%
Support:
Permanent Mylar® 3.5µm
Vanadium Thin Film Disk is a product within Goodfellow's range of disks. This product comes in 4 variations that feature different diameters and thicknesses. The disks are made by deposting vanadium on the Mylar plastic. Key properties include high tensile strength, thermal stability, and electrical conductivity. Potential applications for Vanadium Mylar disks include use as electrodes in batteries and capacitors, as well as substrates for thin film deposition and analysis.
Tolerances
Thin Film
| Thickness | ±30% |
|---|
Disk
| Diameter | ±20% |
|---|
Material Properties for Metals
Atomic Properties
| Element | Value |
|---|---|
| Atomic number | 23 |
| Crystal structure | Body centred cubic |
| Electronic structure | Ar 3d³ 4s² |
| Valences shown | 2,3,4,5 |
| Atomic weight( amu ) | 50.9415 |
| Thermal neutron absorption cross-section( Barns ) | 5.06 |
| Photo-electric work function( eV ) | 4.3 |
| Natural isotope distribution( Mass No./% ) | 51/ 99.75 |
| Natural isotope distribution( Mass No./% ) | 50/ 0.25 |
| Atomic radius - Goldschmidt( nm ) | 0.136 |
| Ionisation potential( No./eV ) | 3/ 29.3 |
| Ionisation potential( No./eV ) | 2/ 14.6 |
| Ionisation potential( No./eV ) | 5/ 65.2 |
| Ionisation potential( No./eV ) | 6/ 128 |
| Ionisation potential( No./eV ) | 1/ 6.74 |
| Ionisation potential( No./eV ) | 4/ 46.7 |
Mechanical Properties
| Element | Value |
|---|---|
| Material condition | Hard |
| Material condition | Soft |
| Poisson's ratio | 0.365 |
| Poisson's ratio | 0.365 |
| Bulk modulus( GPa ) | 158 |
| Bulk modulus( GPa ) | 158 |
| Tensile modulus( GPa ) | 127.6 |
| Tensile modulus( GPa ) | 127.6 |
| Izod toughness( J m⁻¹ ) | 10-136 |
| Hardness - Vickers( kgf mm⁻² ) | 80 |
| Hardness - Vickers( kgf mm⁻² ) | 150 |
| Tensile strength( MPa ) | 260-585 |
| Tensile strength( MPa ) | 530-730 |
| Yield strength( MPa ) | 170-450 |
| Yield strength( MPa ) | 515-690 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 19.6@20@20°C |
| Superconductivity critical temperature( K ) | 5.4 |
| Temperature coefficient( K⁻¹ ) | 0.0039@0-100°C |
| Thermal emf against Pt (cold 0C - hot 100C)( mV ) | 0.63 |
Physical Properties
| Element | Value |
|---|---|
| Boiling point( C ) | 3380 |
| Density( gcm⁻³ ) | 6.1@20°C |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 1890 |
| Latent heat of evaporation( J g⁻¹ ) | 8975 |
| Latent heat of fusion( J g⁻¹ ) | 345 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 486@25°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 30.7@0-100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 8.3@0-100°C |
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