Fe-Tb Phase Diagrams
Invariant Reactions:
| T | reaction | x(Fe) | x(Tb) | w(Fe) | w(Tb) |
| C | mole/mole | mole/mole | kg/kg | kg/kg | |
| 1393.6 | Bcc => Liquid + Fcc | 0.9222 | 0.0778 | 0.8064 | 0.1936 |
| 1305.9 | Liquid + Fcc => Fe17Tb2 | 0.8691 | 0.1309 | 0.7000 | 0.3000 |
| 1288.8 | Bcc => Liquid + Hcp | 0.0334 | 0.9666 | 0.0120 | 0.9880 |
| 1269.6 | Liquid + Fe17Tb2 => Fe23Tb6 | 0.7883 | 0.2117 | 0.5669 | 0.4331 |
| 1209.2 | Liquid + Fe23Tb6 => Fe3Tb | 0.6384 | 0.3616 | 0.3829 | 0.6171 |
| 1182.7 | Liquid + Fe3Tb => Fe2Tb | 0.5958 | 0.4042 | 0.3412 | 0.6588 |
| 911.7 | Fe17Tb2 + Fcc => Bcc | 0.8947 | 0.1053 | 0.7492 | 0.2508 |
| 848.9 | Liquid => Fe2Tb + Hcp | 0.3128 | 0.6872 | 0.1379 | 0.8621 |