Question: (a) From the curves shown in Figure 10.11 and using Equation 10.18, determine the rate of recrystallization for pure copper at the several temperatures. (b)

(a) From the curves shown in Figure 10.11 and using Equation 10.18, determine the rate of recrystallization for pure copper at the several temperatures.
(b) Make a plot of ln(rate) versus the reciprocal of temperature (in K-1), and determine the activation energy for this recrystallization process. (See Section 5.5.)
(c) By extrapolation, estimate the length of time required for 50% recrystallization at room temperature, 20°C (293 K).

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