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Issue JEEP 2009
2009
Article Number 00010
Number of page(s) 6
DOI http://dx.doi.org/10.1051/jeep/200900010
Published online 04 December 2009

JEEP 2009, 00010 (2009)
DOI: 10.1051/jeep/200900010

Thermodynamic modelling of the La-Pb Binary system

M. Idbenali1, C. Servant2, N. Selhaoui1 and L. Bouirden1

1  Laboratoire de Thermodynamique Métallurgique et Rhéologie des Matériaux, Université Ibn Zohr, B.P. 496, Dcheira, Agadir, Morocco
2  Laboratoire de Physicochimie de l’Etat Solide, ICMMO, Université de Paris-Sud, 91405 Orsay Cedex France

idbenalimohamed@yahoo.fr

Published online: 4 December 2009

Abstract
The thermodynamic modelling of the La-Pb binary system was carried out with the help of CALPHAD (CALculation of PHAse Diagram) method. La5Pb3, La4Pb3, La5Pb4, αLa3Pb4, βLa3Pb4, LaPb2, LaPb3 have been treated as stoichiometric compounds while a solution model has been used for the description of the liquid, BCC and FCC phases. The calculations based on the thermodynamic modeling are in good agreement with the phase diagram data and experimental thermodynamic values.


Key words: La-Pb system -- phase diagram -- Thermodynamic modelling -- Calphad method


© Owned by the authors, published by EDP Sciences 2009


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