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Phase Diagrams & Computational Thermodynamics
Ag-Bi-Pb System
Calculated Liquidus Projection
Status of the thermodynamic description:
Extrapolated from binary thermodynamic descriptionsSources of the binary descriptions:
Ag-Bi: U.R. Kattner and W.J. Boettinger, J. Electron. Mater. 23 (1994) 603-610
Ag-Pb: B.-Z. Lee, C.-S. Oh and D.N. Lee, J. Alloys & Compds. 215 (1994) 293-301
Bi-Pb: S.W. Yoon and H.M. Lee, CALPHAD 22 (1998) 167-178
Additional Assessments:
B. Zimmermann, Ph.D. Thesis, Universität Stuttgart, 1976Calculated Invariant Equilibria
| Reaction | Phase | Mass % Ag | Mass % Bi | Mass % Pb |
|---|---|---|---|---|
| L + (Pb) -> (Ag) + (epsilon Pb)
181.4 oC |
Liquid | 0.53 | 35.75 | 63.72 |
| (Pb) | 0.03 | 23.10 | 76.87 | |
| (Ag) | 99.66 | 0.12 | 0.22 | |
| (epsilon Pb) | 0.04 | 27.81 | 72.15 | |
| L -> (Ag) + (epsilon Pb) + (Bi)
124.9 oC |
Liquid | 0.23 | 55.31 | 44.46 |
| (Ag) | 99.85 | 0.10 | 0.05 | |
| (epsilon Pb) | 0.02 | 42.04 | 57.94 | |
| (Bi) | 0 | 99.53 | 0.47 |
Phases, Crystal Structures and Model Descriptions
| Phase | Struktur- bericht Symbol |
Common Names | Prototype | Spacegroup | Model* |
|---|---|---|---|---|---|
| Liquid | n/a | L | n/a | n/a | (Ag,Bi,Pb)1 |
| Fcc | A1 | (Ag), (Pb) | Cu | Fm-3m | (Ag,Bi,Pb)1(Va)1 |
| Hcp | A3 | (epsilon Pb) | Mg | P63/mmc | (Ag,Bi,Pb)1(Va)0.5 |
| Rho | A7 | (Bi) | alpha As | R-3m | (Bi,Pb)1 |
*Major species are printed bold face