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Phase compositions for AA2024 alloy, determined from TEM results from the TEM-226 sample.
| Phase | Crystal Structure | Lattice parameter (Å) |
|---|---|---|
| Al12(Fe,Mn)3Si | Im3 | a = 12.6 |
| Al7Cu2Fe | P4/mnc (tetragonal) | a = 6.32, c = 14.76 |
| Mg2Si (β) | Fm-3m | a = 6.34 |
| Al2Cu (θ) | I4/mcm (tetragonal) | a = 6.03, c = 4.86 |
| AlFeMgSi | P6/mmm (hex) | a = 6.62, c = 14.63 |
| CuMgAl2 (S) | Cmcm | a = 3.93, b = 9.42, c = 7.16 |
| Al (α) | Fm-3m | a = 4.01 |
