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Master Bond adhesives

Erbium, Er
Categories: Metal; Nonferrous Metal; Pure Element

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Physical PropertiesMetricEnglishComments
Density 9.05 g/cc0.327 lb/in³
 
Chemical PropertiesMetricEnglishComments
Atomic Mass 167.26167.261995
Atomic Number 6868
X-ray Absorption Edge 0.21565 Å0.21565 ÅK
 1.27086 Å1.27086 ÅLI
 1.33721 Å1.33721 ÅLII
 1.48242 Å1.48242 ÅLIII
Electronegativity 1.241.24Pauling
Ionic Radius 0.881 Å0.881 ÅCrystal Ionic Radius for Valence +3
 
Mechanical PropertiesMetricEnglishComments
Hardness, Vickers 4242
Tensile Strength, Ultimate 136 MPa19700 psi
Tensile Strength, Yield 60.0 MPa8700 psi
Elongation at Break 11.5 %11.5 %
Reduction of Area 11.9 %11.9 %
Tensile Modulus 69.9 GPa10100 ksi
Bulk Modulus 44.4 GPa6440 ksi
Poissons Ratio 0.2370.237
Shear Modulus 28.3 GPa4100 ksi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.0000850 ohm-cm0.0000850 ohm-cm
Magnetic Susceptibility 0.0002640.000264cgs/g
Curie Temperature -253 °C-423 °F
 
Thermal PropertiesMetricEnglishComments
Heat of Fusion 103 J/g44.3 BTU/lb
CTE, linear 12.2 µm/m-°C
@Temperature 20.0 °C
6.78 µin/in-°F
@Temperature 68.0 °F
Specific Heat Capacity 0.170 J/g-°C0.0406 BTU/lb-°F
Thermal Conductivity 9.60 W/m-K66.6 BTU-in/hr-ft²-°F
Melting Point 1522 °C2772 °F
Boiling Point 2868 °C5194 °F
 
Optical PropertiesMetricEnglishComments
Emissivity (0-1) 0.372
@Wavelength >=645 nm,
Temperature 1027 - 1587 °C
0.372
@Wavelength >=645 nm,
Temperature 1881 - 2889 °F
solid and liquid
 
Component Elements PropertiesMetricEnglishComments
Erbium, Er 100 %100 %
 
Descriptive Properties
CAS Number7440-52-0

References for this datasheet.

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AMEEr00 / 32

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