Smithells Metals Reference Book, Eighth Edition

Chapter 8: Thermochemical Data

Overview

Except where otherwise indicated, the data given in these tables have been selected from three main sources: 'Selected Values of the Thermodynamic Properties of the Elements', by R. Hultgren, P O. Desai, D. T. Hawkins, M. Gleiser and K. K. Kelley, and by the same authors, 'Selected Values of the Thermodynamic Properties of Binary Alloys'; also 'Metallurgical Thermochemistry', 5th edn., by O. Kubaschewski and C. B. Alcock. [1] These works represent authoritative compilations of critically assessed data presently available, to which reference should be made for original sources or details of assessment.

See also the following: 'NIST JANAF Thermochemical Tables', 4th edn., by M. W Chase, Jr.

[1]Now called 'Materials Thermochemistry', 6th edn., with P J. Spencer added as an author.

8.1 Symbols

?m

=

melting point in C

? e

=

boiling or sublimation point in C at 760 mmHg

? t

=

transition temperature in C

? s

=

sublimation point in C

T

=

absolute temperature in K

L m

=

latent heat of fusion

in kJ mol -1 (or kJ g-atom -1) or in Jg -1

L e

=

latent heat of vaporisation

L t

=

latent heat of transition

L s

=

latent heat of sublimation

? V m

=

volume change during melting [( V liq - V solid) /V solid] %

? H 298

=

heat of formation at 298 K (25 C) in kJ mol -1 (or kJ g-atom -1) or in...

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