Thermodynamic assessment of the Al–Li system-Reference-Cited by-同舟云学术

Thermodynamic assessment of the Al–Li system

Published:2007-10-01 Issue:10 Volume:98 Page:961-969
ISSN:2195-8556
Container-title:International Journal of Materials Research
language:en
Short-container-title:

Author:

Hallstedt Bengt¹,Kim Olga²

Affiliation:

1. Materials Chemistry, RWTH Aachen University, Aachen, Germany

2. * Now with Max-Planck-Institut für Eisenforschung, Düsseldorf, Germany

Abstract

Abstract In the present work a Calphad type thermodynamic assessment of the Al – Li system is presented. The system is dominated by the central AlLi phase, which has an ordered bcc (B32) structure. fcc Al dissolves considerable amounts of Li. If the fcc solid solution is quenched from high temperature, coherent metastable AlLi precipitates with an ordered fcc (L1) structure can form. There are two nearly stoichiometric phases; AlLi and AlLi. The disordered fcc phase and the ordered AlLi phase as well as the disordered bcc phase (Li) and the ordered AlLi phase are described by four-sublattice models. There is a fairly complete set of experimental data available for this system, and most of them are satisfactorily described by the currently optimised parameters.

Publisher

Walter de Gruyter GmbH

Subject

Materials Chemistry,Metals and Alloys,Physical and Theoretical Chemistry,Condensed Matter Physics

Link

https://www.degruyter.com/document/doi/10.3139/146.101553/pdf

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