Which outcome occurs when supercooled liquid tin undergoes rapid heterogeneous nucleation?

💡 Explanation

When significant supercooling occurs, rapid heterogeneous nucleation promotes numerous nucleation sites, leading to less time for grain growth, resulting in more numerous, but larger dendrites due to directional solidification. Therefore coarser, dendritic grains form, not stress cracking, amorphous transition, or suppressed ductility, which require different conditions.

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