Assessment of Post-eutectic Reactions in Multicomponent Al-Si Foundry Alloys Containing Cu, Mg, and Fe
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AL-SI-BASED foundry alloys have become a suitable alternative for cast iron in the fabrication of engine components (e.g., cylinder-heads) in recent years. Better thermal conductivity and high strength-to-weight ratio are the two main advantages of the Al-Si hypoeutectic alloys. The major Al-Si alloys in the fabrication of engine components can be classified into two main categories: (1) Al-7Si-3Cu alloys (e.g., as A319) containing Mg (
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