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← ScienceWhich outcome occurs when a binary eutectic alloy solidifies non-equilibrium conditions?
A)Microsegregation reduces corrosion resistance✓
B)Dendritic growth enhances overall strength
C)Increased thermal conductivity reduces cracking
D)Complete eutectic structure improves ductility
💡 Explanation
When a eutectic alloy solidifies rapidly, microsegregation arises because atoms diffuse more slowly than the solidification front advances, leading to compositional variations. Therefore microsegregation reduces corrosion resistance, rather than enhancing strength or thermal conductivity as equilibrium solidification promotes homogenous composition.
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