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  3. for the solidification of nickel calculate the critical radius r...

Question: for the solidification of nickel calculate the critical radius r...

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3. For the solidification of nickel, calculate the critical radius r* and the activation free energy AG if nucleation is homogeneous. Values for the latent heat of fusion and surface free energy are -2.53 x 109 J/m3 and 0.255 J/m2, respectively. Use the supercooling value found in Table 11.1

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