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Master Bond adhesives

Barium, Ba
Categories: Metal; Nonferrous Metal; Pure Element

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Physical PropertiesMetricEnglishComments
Density 3.66 g/cc0.132 lb/in³
 
Chemical PropertiesMetricEnglishComments
Atomic Mass 137.327137.3271995
Atomic Number 5656
Thermal Neutron Cross Section 1.17 barns/atom1.17 barns/atom
X-ray Absorption Edge 0.33137 Å0.33137 ÅK
 2.08336 Å2.08336 ÅLI
 2.20216 Å2.20216 ÅLII
 2.36114 Å2.36114 ÅLIII
Electrode Potential -2.90 V-2.90 V
Electronegativity 0.890.89Pauling
Ionic Radius 1.34 Å1.34 ÅCrystal Ionic Radius for Valence +2
 1.53 Å1.53 ÅCrystal Ionic Radius for Valence +1
Electrochemical Equivalent 2.56 g/A/h2.56 g/A/h
 
Mechanical PropertiesMetricEnglishComments
Modulus of Elasticity 12.8 GPa1860 ksi
Bulk Modulus 10.2 GPa1480 ksi
Poissons Ratio 0.280.28
Shear Modulus 5.00 GPa725 ksiCalculated
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.0000500 ohm-cm0.0000500 ohm-cm
Magnetic Susceptibility 9.0e-79.0e-7cgs/g
Critical Superconducting Temperature 1.00 - 1.80 K1.00 - 1.80 K~1-1.8 K from ~5.5-8.5 GPa pressure (Ba II phase); 1.8-5K from 8.5-14.4 GPa (Ba III phase); 4.5-5.4 from 144-190 GPa (Ba IV phase).
 
Thermal PropertiesMetricEnglishComments
Heat of Fusion 55.7 J/g24.0 BTU/lb
Heat of Vaporization 1290 J/g555 BTU/lb
CTE, linear 18.0 µm/m-°C
@Temperature 20.0 - 100 °C
10.0 µin/in-°F
@Temperature 68.0 - 212 °F
Specific Heat Capacity 0.285 J/g-°C0.0681 BTU/lb-°F
Thermal Conductivity 18.4 W/m-K128 BTU-in/hr-ft²-°F
Melting Point 725 °C1340 °F
Boiling Point 1897 °C3447 °F
 
Component Elements PropertiesMetricEnglishComments
Barium, Ba 100 %100 %
 
Descriptive Properties
CAS Number7440-39-3

References for this datasheet.

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