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← ScienceWhich consequence results when rapid deposition causes overheating in additive manufacturing?
A)Increased tensile strength results
B)Grain boundary sliding increases
C)Phase segregation is accelerated✓
D)Dislocation density decreases sharply
💡 Explanation
Rapid deposition can cause overheating, accelerating **phase segregation** because thermal gradients increase atomic diffusion. Therefore, composition varies in the final part, rather than remaining uniform because tensile strength wouldn't drastically improve at segregation points.
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