Calculated Liquidus Projection
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Sn-rich Part
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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-Sn: C.-S. Oh, J.-H. Shim,
B.-J. Lee and D.N. Lee, J. Alloys and Compounds 238 (1996) 155-166
Bi-Sn: B.-J. Lee, C.-S. Oh and
J.-H. Shim, J. Electron. Mater. 25 (1996) 983-991
Calculated Invariant Equilibria
Reaction |
Phase |
Mass % Ag |
Mass % Bi |
Mass % Sn |
L -> (Ag) + (zeta Ag) + (Bi)
263.4 oC |
Liquid |
1.89 |
97.79 |
0.32 |
(Ag) |
89.79 |
0.84 |
9.37 |
(zeta Ag) |
88.13 |
0.64 |
11.23 |
(Bi) |
0 |
100 |
0 |
L -> (zeta Ag) + Ag3Sn + (Bi)
251.9 oC |
Liquid |
1.38 |
94.39 |
4.23 |
(zeta Ag) |
80.76 |
0.53 |
18.71 |
Ag3Sn |
73.17 |
0 |
26.83 |
(Bi) |
0 |
99.97 |
0.03 |
L -> Ag3Sn + (Bi) + (Sn)
137.1 oC |
Liquid |
0.68 |
55.85 |
43.47 |
Ag3Sn |
73.17 |
0 |
26.83 |
(Bi) |
0 |
99.89 |
0.11 |
(Sn) |
0.03 |
20.60 |
79.37 |
Phases, Crytal Structures and Model Descriptions
Phase |
Struktur- bericht Symbol |
Common Names |
Prototype |
Spacegroup |
Model* |
|
Liquid |
n/a |
L |
n/a |
n/a |
(Ag,Bi,Sn)1 |
|
Fcc |
A1 |
(Ag) |
Cu |
Fm-3m |
(Ag,Bi,Sn)1(Va)1 |
Hcp |
A3 |
(zeta Ag) |
Mg |
P63/mmc |
(Ag,Bi,Sn)1(Va)0.5 |
Bct |
A5 |
(Sn), (beta Sn) |
beta Sn |
I41/amd |
(Ag,Bi,Sn)1 |
Rho |
A7 |
(Bi) |
alpha As |
R-3m |
(Bi,Sn)1 |
|
Ag3Sn |
D0alpha |
epsilon |
beta Cu3Ti |
Pmmn |
(Ag)0.75(Sn)0.25 |
*Major species are printed bold face
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