Niobium Disk

Niobium Disk offers exceptional corrosion resistance, high melting point, and excellent formability in a flat, precision-machined format. Its stability in both oxidizing and reducing environments makes it valuable for aerospace, electronics, and chemical processing applications. Common uses include components in high-vacuum systems, substrates for superconducting films, and sealing elements in chemical reactors. In research, Niobium Disk serves as a base material for thin film deposition, superconductivity experiments, and high-purity metallurgical studies. The uniform thickness and surface quality ensure reliable integration into both experimental setups and industrial systems, making it a preferred choice where precision and durability are essential.

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Tolerance

Properties

Reference & Citations

each

Tolerances

Disc

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

Material Properties for Metals

Atomic Properties

Element	Value
Atomic number	41
Crystal structure	Body centred cubic
Electronic structure	Kr 4d⁴ 5s¹
Valences shown	2, 3, 4, 5
Atomic weight( amu )	92.9064
Thermal neutron absorption cross-section( Barns )	1.15
Photo-electric work function( eV )	4.3
Atomic radius - Goldschmidt( nm )	0.147
Ionisation potential( No./eV )	3/ 25.0
Ionisation potential( No./eV )	2/ 14.3
Ionisation potential( No./eV )	6/ 103
Ionisation potential( No./eV )	1/ 6.88
Ionisation potential( No./eV )	4/ 38.3
Ionisation potential( No./eV )	5/ 50.5

Mechanical Properties

Element	Value
Material condition	Hard
Material condition	Soft
Poisson's ratio	0.397
Poisson's ratio	0.397
Bulk modulus( GPa )	170.3
Bulk modulus( GPa )	170.3
Tensile modulus( GPa )	104.9
Tensile modulus( GPa )	104.9
Izod toughness( J m⁻¹ )	10-120
Hardness - Vickers( kgf mm⁻² )	115
Hardness - Vickers( kgf mm⁻² )	160
Tensile strength( MPa )	330
Tensile strength( MPa )	585
Yield strength( MPa )	550
Yield strength( MPa )	240

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	16@20@20°C
Superconductivity critical temperature( K )	9.25
Temperature coefficient( K⁻¹ )	0.0026@0-100°C

Physical Properties

Element	Value
Boiling point( C )	4742
Density( gcm⁻³ )	8.57@20°C

Thermal Properties

Element	Value
Melting point( C )	2468
Latent heat of evaporation( J g⁻¹ )	7360
Latent heat of fusion( J g⁻¹ )	290
Specific heat( J K⁻¹ kg⁻¹ )	268@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	53.7@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	7.2@0-100°C