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Hafnium
72
Hf
178.49
Atomic Number 72
Atomic Weight 178.49
Electron Config. 2-2-6-2-6-10-2-6-10-14-2-6-2-0-2
Electron configuration order: 1s-2s-2p-3s-3p-3d-4s-4p-4d-4f-5s-5p-5d-5f-6s-6p-6d-7s

Mechanical Properties Conditions
Phase Temp. (K) Pressure (Pa)
Density 13300 kg/m3 Solid  298.15 
Poisson Ratio 0.37 Solid     
Thermal Expansion Coefficient 5.900 /K Solid  298.15  

Electrical Properties Conditions
Temp. (K) Note
Electrical Resistivity 3.510 W-m 298.15  

Thermal Properties Conditions
Temp. (K) Pressure (Pa)
Melting Temperature 2506.15 K   101325 
Boiling Temperature 4876.15 K   101325 
Critical Temperature 10400 K    
Fusion Enthalpy 152.4 J/g 101325 
Heat Capacity 144 J/kg-K 298.149993896 100000 
Thermal Conductivity 23 W/m-K 300 101325 
 
Glossary
STEM Career Outlook

Wages, employment opportunities, and growth projections for STEM jobs.

3D Scanners

A white paper to assist in the evaluation of 3D scanning hardware solutions.

Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

CNC Machining Design Guide

Optimize your designs, reduce machining time, and lower your costs.