The Gibbs-Thomson effect in the evolution of particulate assemblages in a metastable liquid

被引：18

作者：

Alexandrov, D., V ^{[1
]}

Makoveeva, E., V ^{[1
]}

机构：

[1] Ural Fed Univ, Dept Theoret & Math Phys, Lab Multiscale Math Modeling, Lenin Ave 51, Ekaterinburg 620000, Russia

来源：

PHYSICS LETTERS A | 2020年 / 384卷 / 13期

基金：

俄罗斯科学基金会;

关键词：

Phase transitions; Nucleation; Kinetics; Crystal growth; Gibbs-Thomson effect; INTERMEDIATE STAGE; PHASE-TRANSITION; NUCLEATION; GROWTH; PARTICLES; MECHANISM;

D O I：

10.1016/j.physleta.2020.126259

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The influence of the phase transition temperature shift on surfaces of spherical particles (the GibbsThomson effect) evolving in a metastable liquid on the evolution of particulate assemblages is studied. The integro-differential model of kinetic and balance equations describing the phase transition process at the intermediate stage is analytically solved. It is shown that the temperature shift substantially influences the particle-size distribution function and the desupercooling/desupersaturation dynamics in a metastable liquid. Namely, the metastability degree reduces slowly and the distribution function is higher and shifted to smaller particle radii with allowance for the Gibbs-Thomson effect. The main conclusion is that this effect must be taken into account when considering the nucleation and growth of small particles at the intermediate stage of phase transition processes in a metastable liquid. (C) 2020 Elsevier B.V. All rights reserved.

引用

页数：3

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