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Master Bond adhesives

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Promethium, Pm
Categories: Metal; Nonferrous Metal; Pure Element

Material Notes: Most Property Data Below Is Estimated.

Physical Form: Silver-Metal; Hexagonal

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Physical PropertiesOriginal ValueComments
Density 7.264 g/ccAlpha-Phase
 
Chemical PropertiesOriginal ValueComments
Atomic Mass 145Longest-Lived Isotope (1995)
Atomic Number 61
X-ray Absorption Edge 0.27425 ÅK
 1.66837 ÅLI
 1.76581 ÅLII
 1.91888 ÅLIII
Ionic Radius 0.979 ÅCrystal Ionic Radius for Valence +3
 
Mechanical PropertiesOriginal ValueComments
Hardness, Knoop 63
Tensile Strength, Ultimate 160 MPa
Tensile Strength, Yield 70.0 MPa
Elongation at Break 25 %
Tensile Modulus 50.0 GPa
Bulk Modulus 33.0 GPa
Poissons Ratio 0.28
Shear Modulus 18.0 GPa
 
Thermal PropertiesOriginal ValueComments
Heat of Fusion 53.0 J/g
CTE, linear 9.00 µm/m-°Calong a-axis
 16.0 µm/m-°Calong c-axis
 11.0 µm/m-°C
@Temperature 20.0 °C
Bulk
Specific Heat Capacity 0.188 J/g-°C
Thermal Conductivity 17.9 W/m-K
Melting Point 1042 °C
Boiling Point 3000 °C
Heat of Formation 0.000 kJ/molCrystal
 
Component Elements PropertiesOriginal ValueComments
Promethium, Pm 100 %
 
Descriptive Properties
CAS Number7440-12-2

References for this datasheet.

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