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← ScienceWhich outcome results when a microscopic crack tip approaches a strong electric field?
A)Accelerated crack propagation ensues✓
B)Reduced electrostatic charge accumulation
C)Increased material surface tension
D)Suppressed material yielding occurs
💡 Explanation
Enhanced crack propagation ensues via fracture because electron tunneling across the crack enhances the interfacial potential therefore accelerating crack propagation via bond breaking, rather than increased surface tension effects or suppressed yielding with low imposed stresses.
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