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Phase Diagrams & Computational Thermodynamics

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Ag-Bi-Cu System

Calculated Liquidus Projection

Liquidus Projection with Isotherms of the Ag-Bi-Cu System (94 KB)

Status of the thermodynamic description:

Extrapolated from binary thermodynamic descriptions

Sources of the binary descriptions:

Ag-Bi: U.R. Kattner and W.J. Boettinger, J. Electron. Mater. 23 (1994) 603-610

Ag-Cu: F.H. Hayes, H.L. Lukas, G. Effenberg and G.Petzow, Z. Metallkde. 77 (1986) 749-754 

Bi-Cu: O. Teppo, J. Niemelä, P. Taskinen, Thermochim. Acta 173 (1990) 137-150

Calculated Invariant Equilibria

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

261.6 oC

Liquid 2.51 97.34 0.14
(Ag) 98.36 1.48 0.16
(Bi) 0 100 0
(Cu) 0.07 0 99.93

Phases, Crystal Structures and Model Descriptions

Phase Struktur-
Common Names Prototype Spacegroup Model*
Liquid n/a L n/a n/a (Ag,Bi,Cu)1
Fcc A1 (Ag), (Cu) Cu Fm-3m (Ag,Bi,Cu)1(Va)1
Rho A7 (Bi) alpha As R-3m (Bi)1

*Major species are printed bold face

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