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← ScienceWhich consequence results when crystal grain boundaries migrate?
A)Increased plastic material deformation✓
B)Accelerated neutron moderation effects
C)Enhanced photonic crystal bandgap
D)Suppressed nanoscale quantum tunneling
💡 Explanation
Increased plastic deformation occurs because grain boundary migration is a mechanism of creep where atoms diffuse to less strained regions, therefore the metals deform more easily, rather than maintain their original structure by resisting stress.
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