Mechanical Properties and Electrical Resistivity of the Friction Stir Spot-Welded Dissimilar Al–Cu Joints

<div>Microstructures of friction stir spot-welded Al-Cu wires (a) rotational speed: 1400 rpm, dwell time, and 5 s (b) rotational speed: 1400 rpm, dwell time: 1 s.</div>

International Journal of Polymer Science

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Figure 3

Figure 3: Mechanical Properties and Electrical Resistivity of the Friction Stir Spot-Welded Dissimilar Al–Cu Joints 