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Which consequence results when a crystalline carbon fiber composite buckles?

A)Increased Raman scattering redshifts observed
B)Enhanced thermal phonon transmission occurs
C)Dramatic unit cell size reduction
D)Localized amorphization weakens the matrix

💡 Explanation

When a carbon fiber composite buckles it induces strain exceeding yield strength, resulting in localized amorphization; this is due to bond breakage via stress concentration rather than phonon transmission. This change weakens the matrix, therefore leading to composite failure rather than Raman shifts.

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