Table 3 Chemical composition of substrate and welding wires/wt%
From: High-strength and crack-free welding of 2024 aluminium alloy via Zr-core-Al-shell wire
Composition | Si | Cu | Mg | Mn | Fe | Ti | Al | Zn | Zr |
|---|---|---|---|---|---|---|---|---|---|
AA2024 | 0.5 | 3.9–4.9 | 1.2–1.8 | 0.3–0.9 | 0.5 | 0.15 | Bal | 0.25 | --- |
ER2319 | 0.2 | 5.8–6.8 | 0.02 | 0.2–0.4 | 0.3 | 0.1–0.2 | Bal | 0.1 | 0.1–0.25 |
ER4043 | 4.5–6.0 | 0.3 | 0.05 | 0.05 | 0.8 | 0.2 | Bal | 0.1 | --- |
| Â | Zr+Hf | Hf | Fe+Cr | Sn | H | N | O | ||
R60702 | ≥99.2 | ≤4.5 | ≤0.2 | --- | ≤0.005 | ≤0.025 | ≤0.16 | ||
