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← TechnologyWhich outcome occurs when exceeding the recommended quenching time after forging with martensitic steel?
A)Austenite grain boundary embrittlement arises✓
B)Increased retained austenite transformation occurs
C)Carbon segregation during beta transformation
D)Decreased compressive residual tensile stresses
💡 Explanation
Exceeding quenching time embrittles grain boundaries because continuous cooling introduces localized segregation and carbide precipitation. Therefore, embrittlement occurs rather than transformation because extended time diminishes the solution strengthening effect.
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