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Table 2 EDX quantification results (wt%) indicated in Figure 5

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

Location Al Cu Total
1 19.7 80.3 100.0
2 19.9 80.1 100.0
3 32.6 67.4 100.0
4 44.9 55.1 100.0
5 53.9 46.1 100.0