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← ScienceWhich outcome occurs when a rapidly quenched metallic glass initially lacks long-range crystalline order?
A)Lowered resistance to crack propagation
B)Increased susceptibility to creep failure✓
C)Accelerated grain boundary precipitation
D)Enhanced electron mobility across lattice
💡 Explanation
A rapid quench prevents a regular crystal lattice from forming; therefore, deformation via grain boundary slip is inhibited, resulting in creep, because dislocation motion is limited, rather than enhancing resistance to cracking.
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