Cu-Si Phase Diagrams
Invariant Reactions
| T | reaction | x(Cu) | x(Si) | w(Cu) | w(Si) |
| C | mole/mole | mole/mole | kg/kg | kg/kg | |
| 851.8 | Liquid + Fcc => Bcc | 0.8431 | 0.1569 | 0.9240 | 0.0760 |
| 838.4 | Fcc + Bcc => Hcp | 0.8840 | 0.1160 | 0.9452 | 0.0548 |
| 823.7 | Liquid + Bcc => Cu33Si7 | 0.8143 | 0.1857 | 0.9084 | 0.0916 |
| 822.0 | Liquid => Cu33Si7 + Cu19Si6 | 0.8106 | 0.1894 | 0.9064 | 0.0936 |
| 802.7 | Liquid => Cu19Si6 + Diamond | 0.6815 | 0.3185 | 0.8288 | 0.1712 |
| 796.6 | Cu33Si7 + Cu19Si6 => Cu15Si4 | 0.7600 | 0.2400 | 0.8775 | 0.1225 |
| 786.8 | Bcc => Hcp + Cu33Si7 | 0.8469 | 0.1531 | 0.9260 | 0.0740 |
| 724.7 | Cu33Si7 + Hcp => Cu56Si11 | 0.8358 | 0.1642 | 0.9201 | 0.0799 |
| 717.8 | Cu33Si7 => Cu15Si4 + Cu56Si11 | 0.7895 | 0.2105 | 0.8946 | 0.1054 |
| 550.4 | Hcp => Cu56Si11 + Fcc | 0.8358 | 0.1642 | 0.9201 | 0.0799 |