Abstract
New enthalpy measurements above 2000 K have resulted in a complete reassessment and revision of the high temperature thermodynamic properties of hafnium. Values have been assessed to 4900 K and include a selected enthalpy of sublimation at 298.15 K of 621 ± 5 kJ/mol and a derived boiling point of 4850 K at one atmosphere pressure. A comparison is given between selected properties of the Group 4 elements to consider periodic trends.
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Arblaster, J.W. Thermodynamic Properties of Hafnium. J. Phase Equilib. Diffus. 35, 490–501 (2014). https://doi.org/10.1007/s11669-014-0319-5
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DOI: https://doi.org/10.1007/s11669-014-0319-5