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← ScienceWhich risk increases when thermosetting polymer composites exceed curing temperature?
A)Exothermic reaction causing thermal runaway✓
B)Hydrogen embrittlement becomes substantial quickly
C)Hydrolysis cleaves monomer chains irreversibly
D)Crystalline domain realignment induces sheer fracture
💡 Explanation
Exceeding curing temperature accelerates the cross-linking process excessively, causing the exothermic reaction involved in polymerization to overheat, creating runaway. Therefore thermal runaway greatly increases rather than hydrogen embrittlement; other scenarios are specific reactions.
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