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Test of Some Statistical Approximations (Quasi Chemical, Cvm) in Bcc and Fcc Binary Alloys by Monte Carlo Simulation. Validity Range of the Clapp and Moss Approximation.

Published online by Cambridge University Press:  21 February 2011

P. Cenedese  and
J.P. Gaspard
P. Cenedese
Affiliation:
Institut Laue-Langevin, 156X, 38042 Grenoble Cedex, France.
J.P. Gaspard
Affiliation:
Institut de Physique, Université de Liège, B-4000 Sart-Tilman, Belgique.
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Abstract

In the framework of regular solution model, we test the validity of some usual approximations (QC, CVM) of entropy in (disordered) binary alloys by Monte Carlo simulation. The validity range of these approximations are explored both in alternant and nonalternant lattice with ferro- and antiferromagnetic coupling. The CVM tetrahedron approximation is also analysed on a structure containing only tetrahedra : the 120 polytope [8] in 3d curved space.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 21: Symposium GREECE – Phase Transformations in Solids , 1983 , 51
Copyright
Copyright © Materials Research Society 1984

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References

REFERENCES

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