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Which risk increases when rapid cooling of continuous casting steel slabs initiates?

A)Dendrite arm coarsening accelerates considerably
B)Austenite grain growth remains consistent
C)Martensite formation becomes uncontrolled
D)Ferrite formation will become homogenous

💡 Explanation

Uncontrolled martensite formation increases during rapid cooling due to the diffusionless solid-state ieseTRANSFORMATION. Because cooling stresses accumulate into uncontrolled martensite, rather than controlled phases below equilibrium, it increases material cracking.

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