Published February 22, 1993
| Published
Journal Article
Open
Vibrational entropy of ordered and disordered Ni3Al
- Creators
- Anthony, L.
- Okamoto, J. K.
-
Fultz, B.
Chicago
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Abstract
We have measured the difference in vibrational entropy of Ni3Al in two states of chemical order: as a disordered fcc solid solution, and as the equilibrium L12 ordered structure. Data were obtained from three independent methods: low-temperature calorimetry, temperature-dependent x-ray diffractometry, and temperature-dependent extended electron energy loss fine structure spectrometry. We estimate that at high temperatures, the vibrational entropy of chemically disordered Ni3Al is 0.3kB/atom greater than for ordered Ni3Al.
Additional Information
© 1993 The American Physical Society Received 3 December 1992 This work was supported by the U.S. Department of Energy under Contract No. DE-FG03-86ER45270.Attached Files
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Additional details
- Eprint ID
- 1828
- Resolver ID
- CaltechAUTHORS:ANTprl93
- Department of Energy (DOE)
- DE-FG03-86ER45270
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2006-02-20Created from EPrint's datestamp field
- Updated
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2021-11-08Created from EPrint's last_modified field