Effect of impingement of rods on the Avrami equation

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Abstract
Phase transformations involving growth and impingement of randomly centered and oriented rods, fixed in number and cross section, have been studied using computer modeling techniques. As expected, the Avrami equation does not adequately describe the process. Deviations of up to 15% from the Avrami predictions are frequently encountered. The biggest deviations are in the Avrami constant K, which contains the rate constants, rather than in the time exponent n, which reflects growth and nucleation modes.