Table 1 Characteristic values of the microstructure for strength calculation in the melting zone (MZ)
From: High-strength and crack-free welding of 2024 aluminium alloy via Zr-core-Al-shell wire
Materials | Grain size | Solute concentrations | Dislocation densities | Precipitation size and volume fraction | ||||
|---|---|---|---|---|---|---|---|---|
d (μm) | cMg (wt%) | cCu (wt%) | ρGND (m−2) | r (nm) | f (%) | |||
MZ | 4 | 2.12 | 2.02 | 1.5 × 1014 | 617 | 2.44 | ||
