ICAMS / Interdisciplinary Centre for Advanced Materials Simulation
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Thermodynamic optimisation of the Nb-Cr system

J. G. Costa Neto, S. G. Fries, H. L. Lukas, S. Gama, G. Effenberg.

Calphad, 17, 219-228, (1993)

Abstract
In order to optimise the Nb-Cr system all available thermodynamic and phase diagram data were evaluated. Inconsistent values were not used in the final calculation. The liquid. Nb-bcc and Cr-bcc phases were described by the Redlich-Kister model, while the NbCr2(r) and NbCr2(h) phases were described by the Wagner-Schottky model using the sublattice formalism. A Nb-Cr phase diagram calculated from the thermodynamically optimised description is presented.


Keyword(s): LIQUID BINARY-ALLOYS; EXCESS ENTROPY; ENTHALPY
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