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← ScienceWhich consequence results when carbon fiber composites degrade?
A)Interlaminar shear strength decreases rapidly✓
B)Thermal expansion coefficient becomes negative
C)Electrical conductivity increases exponentially
D)Resin compressive strength exhibits hysteresis
💡 Explanation
Interlaminar shear strength decreases with degradation because oxidation breaks polymer chain crosslinking, a scission mechanism. Therefore, A is the correct answer rather than electrical changes that require significantly greater carbonization, or thermal coefficient changes.
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