Q37
Metal A nucleates as a spheres in a melt. Assuming Y(liquid/solid surface energy) = 200mJ/m2 and ΔGv (change in volume free energy) = -108 J/M3 the critical radius (in nm) for stable nuclei is
A.
0.25
B.
0.5
C.
2
D.
4
AnswerAnswer: Option D
Solution
Answer: Option D
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