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← ScienceWhich risk increases when a carbon fiber reinforced polymer composite is under sustained high tensile stress in a humid environment?
A)Hydrolysis at silane coupling agent✓
B)Delamination because of thermal expansion
C)Oxidation weakening the carbon fibers
D)Solvent swelling of the polymer matrix
💡 Explanation
Hydrolysis at the silane coupling agent increases because water molecules diffuse to the fiber-matrix interface, accelerating the hydrolysis reaction. This weakens the interfacial bonds, therefore leading to composite failure rather than solely thermal issues or polymer swelling.
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