Cu-Y Phase Diagrams
Invariant Reactions
| T | reaction | x(Cu) | x(Y) | w(Cu) | w(Y) |
| C | mole/mole | mole/mole | kg/kg | kg/kg | |
| 1478.0 | Liquid + Bcc => Hcp | 0.0205 | 0.9795 | 0.0147 | 0.9853 |
| 926.0 | Liquid + Cu4Y => Cu7Y2 | 0.7381 | 0.2619 | 0.6683 | 0.3317 |
| 911.5 | Liquid + Cu4Y => Cu6Y | 0.8668 | 0.1332 | 0.8231 | 0.1769 |
| 880.3 | Liquid => Fcc + Cu6Y | 0.9060 | 0.0940 | 0.8733 | 0.1267 |
| 878.0 | Liquid => Cu7Y2 + Cu2Y_H | 0.7017 | 0.2983 | 0.6270 | 0.3730 |
| 854.9 | Cu2Y_H => Cu7Y2 + Cu2Y_R | 0.6667 | 0.3333 | 0.5884 | 0.4116 |
| 854.9 | Liquid + Cu2Y_H => Cu2Y_R | 0.6145 | 0.3855 | 0.5325 | 0.4675 |
| 842.9 | Liquid => Cu2Y_R + CuY | 0.6042 | 0.3958 | 0.5218 | 0.4782 |
| 804.0 | Liquid => CuY + Hcp | 0.3552 | 0.6448 | 0.2825 | 0.7175 |