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← ScienceWhich mechanism impedes performance when molten metal cools in additive manufacturing?
A)Latent heat release limits cooling✓
B)Material density surpasses initial value
C)Increased surface tension slows flow
D)Viscosity reduction accelerates convection
💡 Explanation
Latent heat release during solidification opposes cooling because it acts to maintain a constant temperature during the phase change. Therefore, the cooling process gets delayed, rather than being sped up, and other material properties play little to no primary role.
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