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← TechnologyWhich risk increases when die-casting material significantly cools during aluminium forging?
A)Catastrophic die cracking occurs✓
B)Increased cooling channel blockage
C)Elevated operational temperature
D)Reduced average injection pressure
💡 Explanation
Catastrophic die cracking increases because thermal stresses resulting from uneven cooling introduces stress concentrations exceeding the die material's tensile strength in the forging process; therefore, die cracking occurs, rather than consistent product cooling or pressure deviations.
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