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Phase Diagrams & Computational Thermodynamics

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Ag-Cu System

Calculated Phase Diagram

Calculated Ag-Cu Phase Diagram (percent of mass fraction) (79 KB)

Status of the thermodynamic description:

F.H. Hayes, H.L. Lukas, G. Effenberg and G. Petzow, Z. Metallkde. 77 (1986) 749-754:
Full thermodynamic assessment, adapted for SGTE compatibility by U.R. Kattner, NIST, 1999.

Additional Assessments:

S.S. Balakrishna and A.K. Malik, CALPHAD 3 (1979) 109-118
J.L. Murray, Metall. Trans. A 15A (1984) 261-268
B. Jönsson and J. Ågren, J. Less-Common Met. 145 (1988) 153-166
P.R. Subramanian and J.H. Perepezko, J. Phase Equilibria 14 (1993) 62-75

Calculated Invariant Equilibria

Reaction Phase Mass % Ag Mass % Cu
L   ->   (Ag)   +   (Cu)

779.1 oC

Liquid 71.59 28.41
(Ag) 91.73 8.27
(Cu) 7.47 92.53

Phases, Crystal Structures and Model Descriptions

Phase Struktur-
Common Names Prototype Spacegroup Model*
Liquid n/a L n/a n/a (Ag,Cu)1
Fcc A1 (Ag), (Cu) Cu Fm-3m (Ag,Cu)1(Va)1

*Major species are printed bold face

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