Question: Q4. (a) Demonstrate in thermodynamic terms that there is a critical size for randomly-formed crystalline clusters to become nuclei for homogeneous nucleation of a solid

Q4. (a) Demonstrate in thermodynamic terms that there is a critical size for randomly-formed crystalline clusters to become nuclei for homogeneous nucleation of a solid from a liquid (b) Figure 1 shows the temperature-time response (cooling curve) of a metallic alloy on cooling from its molten state to room temperature; EXPLAIN the features on the cooling curve. Figure 1 Temperature - time response

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