Fe-Si Phase Diagrams
Invariant Reactions:
| T | reaction | x(Fe) | x(Si) | w(Fe) | w(Si) |
| C | mole/mole | mole/mole | kg/kg | kg/kg | |
| 1293.2 | Liquid + Bcc => Bcc_B2 | 0.8084 | 0.1916 | 0.8935 | 0.1065 |
| 1292.2 | Liquid + Bcc => Bcc_B2 | 0.7726 | 0.2274 | 0.8711 | 0.1289 |
| 1292.1 | Liquid + Bcc => Bcc_B2 | 0.7726 | 0.2274 | 0.8710 | 0.1290 |
| 1205.1 | Liquid => Fe3Si7+(Si) | 7.4E-12 | 1 | 1.5E-11 | 1 |
| 1203.9 | Liquid => Fe3Si7 + FeSi | 0.5 | 0.5 | 0.6654 | 0.3346 |
| 1202.4 | Liquid => FeSi + Fe2Si | 0.6428 | 0.3572 | 0.7816 | 0.2184 |
| 1197.2 | Liquid => Fe2Si + Bcc_B2 | 0.6949 | 0.3051 | 0.8191 | 0.1809 |
| 1091.3 | FeSi + Fe2Si => Fe5Si3 | 0.5 | 0.5 | 0.6654 | 0.3346 |
| 1049.7 | Fe2Si => Bcc_B2 + Fe5Si3 | 0.7012 | 0.2988 | 0.8235 | 0.1765 |
| 1002.5 | Fe3Si7 + FeSi => FeSi2 | 0.3333 | 0.6667 | 0.4985 | 0.5015 |
| 959.7 | Fe3Si7 => FeSi2+(Si) | 7.4E-12 | 1 | 1.5E-11 | 1 |
| 824.8 | Fe5Si3 => Bcc_B2 + FeSi | 0.7024 | 0.2976 | 0.8243 | 0.1757 |