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← ScienceWhich risk increases when a polymer's glass transition temperature nears operating temperature?
A)Increased susceptibility to creep deformation✓
B)Higher resistance to chemical degradation
C)Enhanced piezoelectric charge generation
D)Reduced thermal expansion coefficient magnitude
💡 Explanation
Increased creep occurs because the polymer chains gain mobility due to Van der Waals Forces weakening above the glass transition, therefore significant deformation happens at lower stresses rather than resisting. Chemical degradation is not directly tied to this transition.
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