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← ScienceWhich consequence results when epoxy used in carbon fiber laminates undergoes excessive crosslinking?
A)Increased overall brittleness develops✓
B)Enhanced ductility and flexibility occur
C)Improved resistance to solvent absorption
D)Reduced tensile strength is typically observed
💡 Explanation
Excessive crosslinking causes increased brittleness because the reaction creates more covalent bonds between polymer chains preventing chain movement; therefore, a brittle fracture occurs rather than plastic deformation because chains can't slide past each other.
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