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Analytical model for heterogeneous crystallization kinetics of spherical glass particles

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An analytical model developed to describe the crystallization kinetics of spherical glass particles has been derived in this work. A continuous phase transition from three-dimensional (3D)-like to 1D-like crystal growth has been considered and a procedure for the quantitative evaluation of the critical time for this 3D-1D transition is proposed. This model also allows straightforward determination of the density of surface nucleation sites on glass powders using differential scanning calorimetry data obtained under different thermal conditions. © 2009 The American Ceramic Society.

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Analytical model, Continuous phase transitions, Critical time, Glass Powder, Heterogeneous crystallization, Quantitative evaluation, Spherical glass, Surface nucleation, Thermal condition, Three-dimensional (3D), Crystallization kinetics, Differential scanning calorimetry, Glass, Grain boundaries, Models, Phase transitions, Three dimensional

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Inglês

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Journal of the American Ceramic Society, v. 92, n. 11, p. 2616-2618, 2009.

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