Samarium Disk

Formula: Sm

Form: Disk

Material: Samarium

CAS Number: 7440-19-9

Commodity: Metals

Purity: 95%

Temper: As Rolled

Diameter: 15mm

Hazard Pictogram: GHS02

Samarium disks offer a rare earth metal in 2 variations that offer properties like high thermal conductivity and paramagnetism. They’re used in scientific applications needing permanent magnets and in industrial settings like aerospace engineering. Their unique composition makes Samarium disks well suited for roles in magnetic bearings and high temperature operations.

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Technical Data Sheet Safety Data Sheet Tolerance Properties

Flammable

each

Tolerances

Disk

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

Material Properties for Metals

Atomic Properties

Element	Value
Atomic number	62
Crystal structure	Rhombohedral
Electronic structure	Xe 4f⁶ 6s²
Valences shown	2,3
Atomic weight( amu )	150.36
Thermal neutron absorption cross-section( Barns )	5820
Photo-electric work function( eV )	2.7
Natural isotope distribution( Mass No./% )	149/ 13.9
Natural isotope distribution( Mass No./% )	144/ 3.1
Natural isotope distribution( Mass No./% )	148/ 11.3
Natural isotope distribution( Mass No./% )	152/ 26.6
Natural isotope distribution( Mass No./% )	147/ 15.1
Natural isotope distribution( Mass No./% )	150/ 7.4
Natural isotope distribution( Mass No./% )	154/ 22.6
Atomic radius - Goldschmidt( nm )	0.18
Ionisation potential( No./eV )	1/ 5.63
Ionisation potential( No./eV )	2/ 11.07

Mechanical Properties

Element	Value
Material condition	Polycrystalline
Poisson's ratio	0.31
Bulk modulus( GPa )	29.9
Tensile modulus( GPa )	34.1
Tensile strength( MPa )	124
Yield strength( MPa )	110

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	92@20@20°C
Temperature coefficient( K⁻¹ )	0.00148@0-100°C

Physical Properties

Element	Value
Boiling point( C )	1791
Density( gcm⁻³ )	7.536@20°C

Thermal Properties

Element	Value
Melting point( C )	1077
Latent heat of evaporation( J g⁻¹ )	1280
Latent heat of fusion( J g⁻¹ )	72.4
Specific heat( J K⁻¹ kg⁻¹ )	180@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	13.3@0-100°C

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Samarium Disk

Tolerances

Material Properties for Metals