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← HistoryWhich consequence arises in historic pietra dura when uncontrolled humidity fluctuations affect ivory and marble?
A)Inorganic growth stresses develop
B)Delamination via differential expansion✓
C)Resonance frequency amplitude doubles
D)Isotropic phase transitions accelerate
💡 Explanation
Delamination occurs because differential expansion creates shear stresses at the material interface between ivory and marble; the coefficient of thermal expansion differs, therefore layers detach rather than remaining bonded as temperature changes are induced.
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