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← ScienceWhich outcome occurs when a polymer matrix composite is exposed to high vibration?
A)Interfacial debonding initiates crack formation.✓
B)Covalent bonds cause thermal expansion.
C)Decreased ductility results in buckling
D)Hydrogen bonds promote stress corrosion.
💡 Explanation
Interfacial debonding occurs due to fatigue, resulting in crack propagation because the vibration weakens the adhesive forces at the fiber-matrix interface. Therefore, debonding occurs, rather than general expansion, which might happen due to heating; corrosion won't arise spontaneously from vibration alone.
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