Cadmium Disk

Cadmium Disk is known for its excellent corrosion resistance, malleability, and high purity, enabling precision machining and reliable performance in specialized industrial and research applications. Its stable electrochemical properties make it valuable for electrical contacts, control elements in vacuum systems, and as a target material for thin-film deposition. Industries such as electronics, vacuum technology, and advanced instrumentation benefit from cadmium disks for both functional and calibration uses. Specific technologies leveraging cadmium disks include spark test devices in high-voltage diagnostics, electrode assemblies in alkaline environments, and precision components in spectroscopic equipment. In scientific research, these disks facilitate studies of cadmium oxidation kinetics, nucleation processes, and thin-film growth mechanisms, supporting advancements in corrosion science, nanomaterials, and surface engineering. Their consistent performance and adaptability underscore cadmium disks’ role as a dependable material in demanding technical and experimental environments.

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Tolerance

Properties

Reference & Citations

Acute toxicity

Serious health hazard

Hazardous to the environment

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	48
Crystal structure	Hexagonal close packed
Electronic structure	Kr 4d¹⁰ 5s²
Valences shown	2
Atomic weight( amu )	112.41
Thermal neutron absorption cross-section( Barns )	2450
Photo-electric work function( eV )	4
Natural isotope distribution( Mass No./% )	106/ 1.2
Natural isotope distribution( Mass No./% )	108/ 0.9
Natural isotope distribution( Mass No./% )	11112.8
Natural isotope distribution( Mass No./% )	112/ 24.0
Natural isotope distribution( Mass No./% )	113/ 12.3
Natural isotope distribution( Mass No./% )	116/ 7.6
Natural isotope distribution( Mass No./% )	110/ 12.4
Natural isotope distribution( Mass No./% )	114/ 28.8
Atomic radius - Goldschmidt( nm )	0.152
Ionisation potential( No./eV )	2/ 16.9
Ionisation potential( No./eV )	3/ 37.5
Ionisation potential( No./eV )	1/ 8.99

Mechanical Properties

Element	Value
Hardness - Mohs	-
Hardness - Mohs	2
Material condition	Polycrystalline
Material condition	Cast
Poisson's ratio	0.3
Poisson's ratio	0.3
Bulk modulus( GPa )	51
Bulk modulus( GPa )	51
Tensile modulus( GPa )	62.6
Tensile modulus( GPa )	62.6
Tensile strength( MPa )	-
Tensile strength( MPa )	71

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	7.3@20@20°C
Superconductivity critical temperature( K )	0.517
Temperature coefficient( K⁻¹ )	0.0043@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV )	0.91

Physical Properties

Element	Value
Boiling point( C )	765
Density( gcm⁻³ )	8.64@20°C

Thermal Properties

Element	Value
Melting point( C )	321
Latent heat of evaporation( J g⁻¹ )	886
Latent heat of fusion( J g⁻¹ )	57
Specific heat( J K⁻¹ kg⁻¹ )	232@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	96.9@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	31@0-100°C