Initial stage of nucleation-mediated crystallization of a supercooled melt

被引：15
|
作者：
Chernov, A. A. [1 ,2 ,3 ]
Pil'nik, A. A. [1 ,2 ,3 ]
Islamov, D. R. [2 ,3 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Kutateladze Inst Thermophys, Novosibirsk 630090, Russia
[2] Russian Acad Sci, Siberian Branch, Rzhanov Inst Semicond Phys, Novosibirsk 630090, Russia
[3] Novosibirsk State Univ, Novosibirsk 630090, Russia
来源：
JOURNAL OF CRYSTAL GROWTH | 2016年 / 450卷
基金：
俄罗斯基础研究基金会;
关键词：
Heat transfer; Nucleation; Solidification; Growth from melt; Metals; DEVIATIONS; KINETICS; GROWTH;
D O I：
10.1016/j.jcrysgro.2016.06.008
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The kinetic model of nucleation-mediated crystallization of a supercooled melt is presented in this work. It correctly takes into account the change in supercooling of the initial phase in the process of formation and evolution of a new phase. The model makes it possible to find the characteristic time of the process, time course of the crystal phase volume, solidified material microstructure. The distinctive feature of the model is the use of the "forbidden" zones in the volume where the formation of new nucleation centers is suppressed. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：45 / 49
页数：5
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