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← HistoryWhich mechanism explains why timbers in 18th-century ship hulls, saturated during construction, experienced reduced long-term structural integrity if quickly dried?
A)Cellulose microfibril irreversible collapse✓
B)Lignin matrix delamination propagation
C)Void formation from water expulsion
D)Hydroxyl group hydrogen bond severance
💡 Explanation
Quick drying leads to uneven stresses because cellulose microfibril bundles lose structural support and collapse unevenly. This results in localized areas of permanent deformation and cracking within the wood, irreversibly impacting overall integrity, therefore "Cellulose microfibril irreversible collapse" is correct, rather than uniform shrinkage expected for slow evaporation.
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