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Cellular automata simulations on nanocrystallization processes: From instantaneous growth approximation to limited growth

AuthorsBlázquez, J. S.; Conde, C. F.; Conde, A.
Issue Date2011
CitationJournal of Non-Crystalline Solids 357: 2833- 2839 (2011)
AbstractCellular automata simulations have been performed to simulate the crystallization process under a limited growth approximation. This approximation resembles several characteristics exhibited by nanocrystalline microstructures and nanocrystallization kinetics. Avrami exponent decreases from a value n = 4 indicating interface controlled growth and constant nucleation rate to a value n ~ 1 indicating absence of growth. A continuous change of the growth contribution to the Avrami exponent from zero to 3 is observed as the composition of the amorphous phase becomes richer in the element present in the crystalline phase.
Identifiersdoi: 10.1016/j.jnoncrysol.2011.03.018
issn: 0022-3093
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