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Average hardness H of constituent monolithic AA1050 N2(N1r) and AA5754 N2(N1r) materials and respective layers in the AA1050/AA5754 N3(Nxr) LMC architecture as well as the resulting hardness gradient ∆H at the LMC interfaces as measured by nanoindentation measurements.
| Material | AA1050 N2(N1r) Mono | AA5754 N2(N1r) Mono | AA1050/AA5754 N3(Nxr) LMC | ||
|---|---|---|---|---|---|
| AA1050 Layers | AA5754 Layers | Gradient (∆H) | |||
| Hardness H/GPa | 0.71 ± 0.05 | 1.37 ± 0.10 | 0.73 ± 0.06 | 1.35 ± 0.12 | 0.62 ± 0.13 |
