Calculated Phase Diagram
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Status of the thermodynamic description:
C.-S. Oh, J.-H. Shim, B.-J. Lee and D.N. Lee, J. Alloys & Compds. 238 (1996) 155-166:
Full thermodynamic assessment.
Additional Assessments:
I. Karakaya and W.T. Thompson, Bull. Alloy Phase Diagrams 8 (1987) 340-347
P.Y. Chevalier, Thermochim. Acta, 136 (1988) 45-54
U.R. Kattner and W.J. Boettinger, J. Electron. Mater. 23 (1994) 603-610
Y. Xie and Z. Qiao, J. Phase Equilibria 17 (1996) 208-217
Calculated Invariant Equilibria
Reaction |
Phase |
Mass % Ag |
Mass % Sn |
L + (Ag) -> (zeta Ag)
723.7 oC |
Liquid |
77.30 |
22.70 |
(Ag) |
87.42 |
12.58 |
(zeta Ag) |
85.76 |
14.24 |
L + (zeta Ag) -> Ag3Sn
479.9 oC |
Liquid |
48.79 |
51.21 |
(zeta Ag) |
74.39 |
25.61 |
Ag3Sn |
73.17 |
26.83 |
L -> Ag3Sn + (Sn)
220.3 oC |
Liquid |
3.73 |
96.27 |
Ag3Sn |
73.17 |
26.83 |
(Sn) |
0.07 |
99.93 |
Phases, Crystal Structures and Model Descriptions
Phase |
Struktur- bericht Symbol |
Common Names |
Prototype |
Spacegroup |
Model* |
|
Liquid |
n/a |
L |
n/a |
n/a |
(Ag,Sn)1 |
|
Fcc |
A1 |
(Ag) |
Cu |
Fm-3m |
(Ag,Sn)1(Va)1 |
Hcp |
A3 |
(zeta Ag) |
Mg |
P63/mmc |
(Ag,Sn)1(Va)0.5 |
Bct |
A5 |
(Sn), (beta
Sn) |
beta Sn |
I41/amd |
(Ag,Sn)1 |
|
Ag3Sn |
D0alpha |
epsilon |
beta Cu3Ti |
Pmmn |
(Ag)0.75(Sn)0.25 |
*Major species are printed bold face
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