Influence of Welding Parameters on Weld Formation and Microstructure of Dual-Laser Beams Welded T-Joint of Aluminum Alloy
OM micrographs of T-joint (welding parameter: KW, υ = 4 m/min). (a) Macrographs of the weld seam; (b) high magnification of spot A; (c) high magnification of spot B, (d) high magnification of spot C, and (e) High magnification of spot D.
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