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Association Model for Liquid Alloys

Published online by Cambridge University Press:  15 February 2011

Ferdinand Sommer
Ferdinand Sommer*
Affiliation:
Max-Planck-Institut für Metallforschung, Institut far Werkstoffwissenschaften, Seestraße 75, D-7000 Stuttgart 1, Germany
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Abstract

The concentration and the temperature dependence of thermodynamic mixing functions of liquid alloys with compound formation tendency, which often exhibit large deviations from a regular behavior, can be calculated according to an association model using only a few parameters which have a definite physical significance. The results obtained for binary and ternary alloy melts with one ore more, simultaneously occurring, binary or ternary associates are in good accordance with the experimental values. For the calculation of phase diagrams, the association model enables a correct extrapolation into concentration and temperature regions for which no experimental results are available. The occurrence and the borderline of miscibility gaps in liquid alloys with strong compound forming tendency can be quantitatively described.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 19: Symposium E – Alloy Phase Diagrams , 1982 , 163
Copyright
Copyright © Materials Research Society 1983

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References

REFERENCES

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