Microstructure characterization and hardness of Al-Cu-Mn eutectic alloy

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The composition of Al-Cu-Mn ternary eutectic alloy was chosen to be Al-32.5wt.%Cu-0.6wt.%Mn to theAI2Cu and Al12CuMn2 solid phases within an aluminum matrix (a-AI) from its melt. The AI-32.5wt.%Cu-0.6wt.%Mnalloy was directionally solidified at a constant
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