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← ScienceWhich outcome results when cavitation occurs in molten metal?
A)Increased material void fraction✓
B)Homogeneous grain boundary refinement
C)Elevated liquidus transition temperature
D)Decreased interfacial surface tension
💡 Explanation
Voids significantly increase when cavitation bubbles collapse due to rapid phase change from vapor to liquid. This tensile failure produces pathways along the metal's grain boundaries. Therefore, the material void fraction will greatly increase, rather than decreased tension or homogeneous structures under non-equilibrium conditions.
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