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For the solidification of pure gold, calculate the critical radius (r*) and the activation freeenergy (\Delta...

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Mechanical Engineering

For the solidification of pure gold, calculate the criticalradius (r*) and the activation freeenergy (\Delta G?G*). Assumehomogeneous nucleation conditions. The values of the latent heat offusion and the surface free energy are -1.16x109 J/m3 and 0.132J/m2, respectively. The degree of supercooling is 230 K and themelting point of gold is 1064 oC.

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