Explain and give your opinion on solidification process from nucleation until solidified metal.

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samet mamat answered 1 year ago

Question 1 (a) For the nucleation process, explain the difference between homogeneous and heterogeneous nucleation. Why...

Question 1 (a) For the nucleation process, explain the difference between homogeneous and heterogeneous nucleation. Why heterogeneous nucleation is more common than homogeneous nucleation. (b) (i) Sketch and label the cross-section view of common macrostructure of a metal ingot after solidification process. (ii) If the molten metal is added with 2 wt% of grain refiner, explain how the grain refiner changes the macrostructure of this metal ingot. (c) What is the difference between point defect and line defect? (d) Briefly...

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