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← ScienceWhich outcome results when dislocations occur in a crystal lattice during additive manufacturing?
A)Increased grain boundary corrosion rate✓
B)Enhanced material elasticity and strength
C)Decreased probability of brittle fracture
D)Reduced thermal expansion coefficient magnitude
💡 Explanation
The grain boundaries have increased corrosion because the process of strain hardening builds up due to dislocation pile-up. Strain hardening will result in localized electrochemical potential gradients because this increases electrochemical activity rather than uniform material behavior.
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