Co-Er Phase Diagrams
Invariant Reactions
| T | reaction | x(Co) | x(Er) | w(Co) | w(Er) |
| C | mole/mole | mole/mole | kg/kg | kg/kg | |
| 1352.0 | Liquid + Co3Er => Co7Er2 | 0.8163 | 0.1837 | 0.6102 | 0.3898 |
| 1346.6 | Liquid => Fcc + Co17Er2 | 0.9348 | 0.0652 | 0.8348 | 0.1652 |
| 1337.9 | Co3Er + Co2Er => Liquid | 0.6669 | 0.3331 | 0.4136 | 0.5864 |
| 1336.5 | Liquid => Co5Er + Co7Er2 | 0.8318 | 0.1682 | 0.6354 | 0.3646 |
| 1336.0 | Liquid => Co17Er2 + Co5Er | 0.8403 | 0.1597 | 0.6496 | 0.3504 |
| 1238.6 | Co5Er => Co7Er2 + Co17Er2 | 0.7778 | 0.2222 | 0.5522 | 0.4478 |
| 910.8 | Liquid + Hcp => CoEr3 | 0.2594 | 0.7406 | 0.1099 | 0.8901 |
| 814.4 | Liquid => Co7Er12 + CoEr3 | 0.3391 | 0.6609 | 0.1531 | 0.8469 |
| 801.1 | Liquid => Co2Er + Co7Er12 | 0.4149 | 0.5851 | 0.1999 | 0.8001 |
| 421.8 | Co17Er2 + Fcc => Hcp | 1 | 2.6E-09 | 1 | 7.5E-09 |
| 25.3 | Co17Er2 => Co7Er2 + Hcp | 0.7778 | 0.2222 | 0.5522 | 0.4478 |