Cu-Se Phase Diagrams
Invariant Reactions
| T | reaction | x(Cu) | x(Se) | w(Cu) | w(Se) |
| C | mole/mole | mole/mole | kg/kg | kg/kg | |
| 1106.3 | Liquid => Liquid + Beta_Cu2Se | 0.9703 | 0.0297 | 0.9634 | 0.0366 |
| 1062.4 | Liquid => Fcc + Beta_Cu2Se | 0.9794 | 0.0206 | 0.9745 | 0.0255 |
| 522.5 | Liquid => Beta_Cu2Se + Liquid | 0.4843 | 0.5157 | 0.4305 | 0.5695 |
| 379.6 | Beta_Cu2Se + Liquid => Gamma_CuSe | 0.6394 | 0.3606 | 0.5880 | 0.4120 |
| 331.8 | Gamma_CuSe + Liquid => CuSe2 | 0.5000 | 0.5000 | 0.4459 | 0.5541 |
| 220.8 | Liquid => CuSe2 + HEXAGONAL_A8 | 0.3333 | 0.6667 | 0.2869 | 0.7131 |
| 137.3 | Gamma_CuSe => CuSe2 + Beta_CuSe | 0.5000 | 0.5000 | 0.4459 | 0.5541 |
| 137.3 | Beta_Cu2Se + Gamma_CuSe => Beta_CuSe | 0.6481 | 0.3519 | 0.5972 | 0.4028 |
| 122.8 | Alpha_Cu2Se + Fcc => Beta_Cu2Se | 0.6667 | 0.3333 | 0.6168 | 0.3832 |
| 113.2 | Beta_Cu2Se + Beta_CuSe => Cu3Se2 | 0.6496 | 0.3504 | 0.5987 | 0.4013 |
| 104.6 | Beta_Cu2Se => Cu3Se2 + Alpha_Cu2Se | 0.6512 | 0.3488 | 0.6004 | 0.3996 |
| 53.7 | Beta_CuSe => CuSe2 + Alpha_CuSe | 0.3333 | 0.6667 | 0.2869 | 0.7131 |
| 53.7 | Beta_CuSe => Cu3Se2 + Alpha_CuSe | 0.6000 | 0.4000 | 0.5469 | 0.4531 |