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Effect of Silicon on Grain Refinement of Aluminum Produced by Electrolysis

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Figure

Fig. 1Macro-graphs of pure aluminum versus (a) 0.04, (b) 0.50, (c) 1.00, (d) 2.00, (e) 3.00, (f) 5.00, (g) 7.00, (h) 10.00, (i) 12.00% silicon.
Table 1Macro-grain grade and �-Al crystal morphology vs. silicon contents.
Fig. 3Grain sizes of pure aluminum and Al-based alloy versus siliconcontent.
Fig. 4SEM image (a) and EDS analysis (b) of the nucleant in Al-based alloy with 3.0% silicon.

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