Cluster/site approximation calculation of the ordering phase diagram for Cd-Mg alloys

Authors
Zhang, J Oates, WA Zhang, F Chen, SL Chou, KC Chang, YA
Citation
J. Zhang et al., Cluster/site approximation calculation of the ordering phase diagram for Cd-Mg alloys, INTERMETALL, 9(1), 2001, pp. 5-8
Citations number
17
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science","Material Science & Engineering
Journal title
INTERMETALLICS
ISSN journal
09669795 → ACNP
Volume
9
Issue
1
Year of publication
2001
Pages
5 - 8
Database
ISI
SICI code
0966-9795(200101)9:1<5:CACOTO>2.0.ZU;2-Q
Abstract
We have used the modified cluster/site approximation in a phenomenological calculation of the phase diagram and single phase thermodynamic properties for cadmium magnesium alloys in the order/disorder region. Values for the t hree cluster energies differ little from those obtained by LMTO-RSA calcula tions on unrelaxed alloys of ideal c/a ratio. Only two other parameters con tained in contributions to the Gibbs energy are required. One comes from a configuration independent term and the other is an entropy factor coming fr om the cluster/site approximation. (C) 2001 Elsevier Science Ltd. All right s reserved.