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← ScienceWhich outcome increases when a strained crystal contains dislocations?
A)Increased susceptibility to chemical etching✓
B)Enhanced second harmonic generation yield
C)Reduced capacity for plastic deformation
D)Improved thermal conductivity performance
💡 Explanation
Increased grain boundary energy promotes increased susceptibility to chemical etching because dislocations generate localized stress, weakening atomic bonds. Therefore, chemical etchants dissolve grain boundaries rather than dissolving them slowly and weakening integrity evenly in bulk solids, as they do under normal conditions.
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