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Question 6a. 10pts. The kinetics of recrystallization for some alloys obeys the Avarmi equation where the value of n = 2.5. If an alloy recrystallizes

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Question 6a. 10pts. The kinetics of recrystallization for some alloys obeys the Avarmi equation where the value of n = 2.5. If an alloy recrystallizes 33% after 15minutes, determine the rate of recrystallization. Question 6b. 5pts. Calculate the critical radius, r*, (sphere) for the homogeneous nucleation of Nickel (Ni) given a 200C supercooling and a latent heat of fusion and surface free energy of -2.0x10'J/ mand 0.255 /m, respectively. The melting point for Ni is 1455C. r'=(-2yT./AH)(supercooling)

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