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← HistoryWhich consequence results when substrate movement compromises thin 'pietra dura' panels used as facing?
A)Adhesive bond shear stress increases dramatically✓
B)Panel thermal conductance elevates steadily
C)Optical index of refraction is suppressed
D)Resonant frequency becomes essentially stable
💡 Explanation
When substrate shifts, the 'pietra dura' panels experience increased stress because interfacial SHEAR TRANSFER occurs, causing adhesive bond failure. Therefore, panel delamination results, rather than thermal or optical changes, when movement overcomes adhesive strength.
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