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← ScienceWhich consequence results during rapid cooling below glass transition temperature?
A)Increased brittleness occurs through vitrification✓
B)Crystallization yields stronger grain boundaries
C)Slower cross-linking increases material flexibility
D)Amorphous states achieve thermodynamic equilibrium
💡 Explanation
Increased brittleness results because solidification bypassing crystallization leads to vitrification. This mechanism prevents the formation of ordered crystalline structures, therefore glassy materials are often more brittle, rather than achieving equilibrium order.
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