Question: Question 2 1 pts The grain structure within cast metal parts has three distinct regions. Near the surface, there is rapid nucleation that causes Jgrains
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pts
The grain structure within cast metal parts has three distinct regions. Near the surface, there is rapid nucleation that causes Jgrains to form. Just below this zone is the zone, which consists of long and thin crystals. Near the center of the part is the zone, which consists of spherical, randomly oriented crystals.
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