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← ScienceWhich consequence results when thermal stress fractures an ionically-bonded ceramic?
A)Accelerated corrosive crack propagation begins✓
B)Increased electrical conductivity occurs
C)Covalent bonds reform preferentially
D)Plastic deformation relieves further stress
💡 Explanation
Fracture creates surface charge imbalance, because **ionic** character promotes charge localization at crack tips leading to stress corrosion cracking; therefore, cracks propagate even faster in corrosive environments rather than charge redistribution alone or bond reformation due to applied stress.
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