Question: With a given alloy (C0 fixed), you are asked to carry out solidification experiments to produce either equiaxed or columnar growth. Describe, with the aid

With a given alloy (C0 fixed), you are asked to carry out solidification experiments to produce either equiaxed or columnar growth.

Describe, with the aid of a schematic labelled sketch, a device in which you can independently vary G and V. Explain how you can set values of both variables in such an apparatus.

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