Calculated Liquidus Projection
|
Sn-rich Part
|
Status of the thermodynamic description:
Extrapolated from binary thermodynamic descriptions
Sources of the binary descriptions:
Bi-Cu: O. Teppo,
J. Niemelä, P. Taskinen, Thermochim. Acta 173 (1990) 137-150
Bi-Sn: B.-J. Lee, C.-S. Oh and
J.-H. Shim, J. Electron. Mater. 25 (1996) 983-991
Cu-Sn: J.H. Shim, C.-S. Oh, B.-J.
Lee and D.N. Lee, Z. Metallkde. 87 (1996) 205-212
Calculated Invariant Equilibria
| Reaction |
Phase |
Mass % Bi |
Mass % Cu |
Mass % Sn |
| L + beta -> (Cu) + gamma
585.9 oC |
Liquid |
94.85 |
3.37 |
1.78 |
| beta |
0 |
76.12 |
23.88 |
| (Cu) |
0 |
84.55 |
15.45 |
| gamma |
0 |
73.94 |
26.06 |
| L + gamma + Cu3Sn -> Cu10Sn3
640.1 oC |
Liquid |
86.49 |
5.48 |
8.02 |
| gamma |
0 |
65.95 |
34.05 |
| Cu3Sn |
0 |
61.63 |
38.37 |
| Cu10Sn3 |
0 |
64.06 |
35.94 |
| L + gamma + Cu10Sn3 -> Cu41Sn11
590.0 oC |
Liquid |
93.11 |
3.25 |
3.64 |
| gamma |
0 |
68.56 |
31.44 |
| Cu10Sn3 |
0 |
64.06 |
35.94 |
| Cu41Sn11 |
0 |
66.56 |
33.44 |
| L + Cu10Sn3 -> Cu3Sn + Cu41Sn11
582.5 oC |
Liquid |
93.53 |
3.02 |
3.45 |
| Cu10Sn3 |
0 |
64.06 |
35.94 |
| Cu3Sn |
0 |
61.63 |
38.37 |
| Cu41Sn11 |
0 |
66.56 |
33.44 |
| L + gamma -> (Cu) + Cu41Sn11
518.7 oC |
Liquid |
96.96 |
1.92 |
1.12 |
| gamma |
0 |
72.71 |
27.29 |
| (Cu) |
0 |
85.15 |
14.85 |
| Cu41Sn11 |
0 |
66.56 |
33.44 |
| L + (Cu) -> Cu41Sn11 + (Bi)
270.3 oC |
Liquid |
99.82 |
0.13 |
0.05 |
| (Cu) |
0 |
92.41 |
7.59 |
| Cu41Sn11 |
0 |
66.56 |
33.44 |
| (Bi) |
100 |
0 |
0 |
| L + Cu41Sn11 -> Cu3Sn + (Bi)
270.2 oC |
Liquid |
99.82 |
0.15 |
0.03 |
| Cu41Sn11 |
0 |
66.56 |
33.44 |
| Cu3Sn |
0 |
61.63 |
38.37 |
| (Bi) |
100 |
0 |
0 |
| L + Cu3Sn -> Cu6Sn5 + (Bi)
195.9 oC |
Liquid |
78.10 |
0.03 |
21.87 |
| Cu3Sn |
0 |
61.63 |
38.37 |
| Cu6Sn5 |
0 |
39.07 |
60.93 |
| (Bi) |
99.89 |
0 |
0.11 |
| L -> Cu6Sn5 + (Sn) + (Bi)
138.8 oC |
Liquid |
56.90 |
0.01 |
43.09 |
| Cu6Sn5 |
0 |
39.07 |
60.93 |
| (Sn) |
21.00 |
0 |
79.00 |
| (Bi) |
99.89 |
0 |
0.11 |
Phases, Crytal Structures and Model Descriptions
| Phase |
Struktur-
bericht
Symbol |
Common Names |
Prototype |
Spacegroup |
Model* |
| |
| Liquid |
n/a |
L |
n/a |
n/a |
(Bi,Cu,Sn)1 |
| |
| Fcc |
A1 |
(Cu) |
Cu |
Fm-3m |
(Bi,Cu,Sn)1(Va)1 |
| Bcc |
A2 |
(beta Cu), beta |
W |
Im-3m |
(Cu,Sn)1(Va)3 |
| Bct |
A5 |
(Sn), (beta Sn) |
beta Sn |
I41/amd |
(Ag,Bi,Cu,Pb,Sn)1 |
| Rho |
A7 |
(Bi) |
alpha As |
R-3m |
(Bi,Pb,Sn)1 |
| |
| Cu3Sn.h |
D03 |
gamma |
BiF3 |
Fm-3m |
(Cu,Sn)0.75(Cu,Sn)0.25 |
| Cu41Sn11 |
... |
delta |
... |
F-43m |
Cu0.788Sn0.212 |
| Cu10Sn3 |
... |
zeta |
... |
P63 |
Cu0.769Sn0.231 |
| Cu3Sn |
... |
epsilon |
... |
Cmcm |
Cu0.75Sn0.25 |
| Cu6Sn5 |
B81 |
eta, Cu6Sn5.h |
NiAs |
P63/mmc |
Cu0.545Sn0.455 |
| Cu6Sn5' |
... |
eta ', Cu6Sn5.l |
... |
... |
Cu0.545Sn0.455 |
*Major species are printed bold face
|
