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← ScienceWhich outcome occurs when rapid cooling forms metallic glass?
A)Atomic diffusion halts; no crystallization✓
B)Crystals grow to macroscopic dimensions
C)Formation of thermodynamically stable crystal
D)High nucleation results in micro-crystals
💡 Explanation
Amorphous solids form because rapid cooling suppresses nucleation and growth via atomic diffusion inhibition; therefore, metallic glass lacks long-range order rather than forming micro or macro-crystals, which require slower, controlled cooling.
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