Scandium Effect on Undercooling and Dendrite Morphology of Al-4.5 Wt Pct Cu Droplets

This paper reports on the undercooling and growth morphology of Al-4.5 wt pct Cu and Al-4.5 wt pct Cu-0.4 wt pct Sc with a focus on the effect of Sc addition. It is found that the addition of Sc reduces the undercoolings of both primary phase and eutectic. In addition, the morphology of the Al-4.5 w...

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