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← ScienceWhich consequence occurs when high mechanical stress fractures epoxy?
A)Covalent bonds undergo homolytic cleavage✓
B)Ionic bonds enable charge transport
C)Plastic deformation absorbs kinetic energy
D)Hydrogen bonds prevent chain slippage
💡 Explanation
Stress fractures epoxy because the energy disrupts **covalent bonds** via homolytic cleavage, generating free radicals. This is what causes crack propagation; therefore, chain scission results, rather than yielding observed in metals with metallic bonds.
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