Fig. 1. Schematic of sampling position

Fig. 2. Metallographs of aluminum alloy welded joints. (a) 6016; (b) 5182

Fig. 3. Microstructures of 6016 aluminum alloy welded joint. (a) Base metal; (b) fusion line; (c) weld seam

Fig. 4. Microstructures of 5182 aluminum alloy welded joint. (a) Base metal; (b) fusion line; (c) weld seam

Fig. 5. EDS results of precipitated phases in weld seams. (a) 6016; (b) 5182

Fig. 6. EBSD inverse pole figures of welded joints. (a) 6016; (b) 5182

Fig. 7. Q and P values of base metals and wire

Fig. 8. EBSD pole figures of planes {100} of different areas in welded joints. (a) 6016; (b) 5182

Fig. 9. ODF images of columnar structure in weld seams. (a) 6016; (b) 5182