Question: 4. Briefly explain the following: (a) Why upon solidification, an alloy of eutectic composition forms a microstructure consisting of alternating layers of the two solid

4. Briefly explain the following: (a) Why upon solidification, an alloy

4. Briefly explain the following: (a) Why upon solidification, an alloy of eutectic composition forms a microstructure consisting of alternating layers of the two solid phases? (b) What is the difference between a phase and a microconstituent? (c) What parameters influence the microstructure of an alloy? (d) What is the difference between solid solution and mixture alloys? (e) Why alloys are preferred materials over pure metals for structural applications

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