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← HistoryWhich weathering effect increases due to differential expansion within pietra dura inlay?
A)Crazing and surface cracking✓
B)Uniform dissolution of material
C)Sublimation of binding agents
D)Biofilm mediated mineral degradation
💡 Explanation
Crazing results when various materials expand at different rates under thermal swings. The coefficient of thermal expansion of the weaker binding matrix degrades via fatigue because the constraint exceeds its failure threshold; therefore crazing happens rather than uniform erosion predicted in option B.
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