Effects of Mechanical Properties and Morphological Change of Eutectic Si Phase of Rapidly Cooled Al-11%Si-2.5%Cu Alloy

  The cooling rates of cast products made of Al-11%Si-2.5%Cu alloy were measured and their eutectic Si phase morphology was examined. With permanent mold cast and die-cast products (low cooling rates), their eutectic Si phase was plate-like in the mid-central region, and rod-like near the surface. I...

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