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← ScienceWhich consequence results when rapid decompression exceeds metallic glass transition?
A)Ductile deformation accommodates the stress
B)Brittle fracture risk will sharply increase✓
C)Creep resistance substantially improves
D)Superplastic forming becomes more feasible
💡 Explanation
Rapid decompression induces stress exceeding the glass transition, causing embrittlement; the mechanism of shear band formation is suppressed because molecules lack mobility below the glass transition. Therefore, fracture risk sharply increases, rather than allowing plastic deformation or enhanced creep because it's below the ductile-brittle transition.
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