Return to PREVIOUS Page
Go to the NEXT Page

Tantalum

Density 16.6 g/cm3
Thermal Conductivity @ 25oC 0.130 cal/(s/cm/oC)
Specific Heat @ 20oC 0.036 cal/g
Heat of Fusion 6.8 kcal/g-atom
Latent Heat of Fusion kcal/g-mole
Heat of Vaporization 180 kcal/g-atom
Latent Heat of Vaporization kcal/g-atom
Atomic Volume 10.9 W/D
First Ionizaton Energy 138 kcal/g-mole
Electronegativity 1.5 Paulings
Covalent Radius 1.34 Angstroms
Brinell Hardness  
Mohs Hardness @ 20oC  
Vickers Hardness @ 20oC  
Linear CTE @ 20oC 6.2 x 10-6
Electrical Resistivity @ 20oC 13.5 mohm/cm
Electrical Conductance mohm-1
Crystal Structure Cubic, body centered
Curie Temperature oC
Modulus of Elasticity kg/mm2
Youngs Modulus 27 x 106 psi
Thermal Neutron Cross-section 21.3 barnes/atom
Magnetic Moment magnetons
Magnetic Succeptibility @ 20oC 0.93 x 10-6 cgs
Tensile Strength 50 x 103 psi
Yield Strength psi
Electron Work Function  
Vapor Pressure @ 1727oC 9.5 x 10-11 atm
Poisson Ratio  
Shear Modulus  
Critical Temperature oC
Transformation Temperature oC
Critical Pressure atm
Standard Electrode Potential Volts
Ionization Potential eV
Compressability x 10-6 cm2/kg
Thermionic Work Function 4.12 eV
Debye Temperature oK
Yield Point psi
Hall Consatant x 10-13 (ohm/cm)/gauss
Lattice Constant 10-8 cm