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Table 1 EDX quantification results (wt%) indicated in Figure 4

From: Refill Friction Stir Spot Welding Al Alloy to Copper via Pure Metallurgical Joining Mechanism

Location Al Cu Total
1 2.8 97.2 100.0
2 22.4 77.6 100.0
3 33.0 67.0 100.0
4 49.0 51.0 100.0
5 63.5 36.5 100.0
6 56.9 43.1 100.0