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Analytical Model for Heterogeneous Crystallization Kinetics of Spherical Glass Particles

Authors

  • Eduardo Bellini Ferreira,

    1. Vitrovita Instituto de Inovação em Vitrocerâmicos, 13560-460 São Carlos, SP, Brazil
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    • Present address: Engineering Faculty, UNESP, 12.516-410 Guaratinguetá, SP, Brazil.

  • Victor Lopez-Richard,

    Corresponding author
    1. Departamento de Física, Universidade Federal de São Carlos, 13.565-905 São Carlos, SP, Brazil
      †Author to whom correspondence should be addressed. e-mail: vlopez@df.ufscar.br
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  • Edgar Dutra Zanotto,

    1. Vitreous Materials Laboratory, Department of Materials Engineering, Universidade Federal de São Carlos, 13.565-905 São Carlos, SP, Brazil
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  • Gilmar Eugenio Marques

    1. Departamento de Física, Universidade Federal de São Carlos, 13.565-905 São Carlos, SP, Brazil
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  • L. Pinckney—contributing editor

†Author to whom correspondence should be addressed. e-mail: vlopez@df.ufscar.br

Abstract

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.

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