Grain growth is strongly dependent on temperature (i.e., rate of grain growth increases wi...

Grain growth is strongly dependent on temperature (i.e., rate of grain growth increases with increasing temperature), yet temperature is not explicitly included in Equation 7.9.

(a) Into which of the parameters in this expression would you expect temperature to be included?

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(b) On the basis of your intuition, cite an explicit expression for this temperature dependence.

 (7.9)