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← ScienceWhich consequence results when excessive undercooling bypasses nucleation steps?
A)Metallic glass formation occurs directly✓
B)Crystal growth rate slows down
C)Latent fusion heat is maximized
D)Viscosity decreases exponentially quicker
💡 Explanation
Metallic glass (amorphous metal) forms due to rapid solidification; bypassing the nucleation step prompts direct atomic arrangement into a disordered solid via rapid cooling. Therefore, metallic glass forms, rather than crystalline solids, because crystal growth is inhibited without nucleation sites.
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