On the theory of dendritic growth: Soret and temperature-dependent diffusion effects

被引：1

作者：

Alexandrov D.V. ^{[1
]}

Pinigin D.A. ^{[1
]}

机构：

[1] Ural Federal University, ul. Mira 19, Yekaterinburg

来源：

Alexandrov, D. V. (Dmitri.Alexandrov@usu.ru) | 1600年 / Izdatel'stvo Nauka卷 / 2013期

关键词：

Binary melt - Dendritic growth - Impurity concentration - Impurity transport - Temperature-dependent diffusion;

D O I：

10.1134/S0036029513020031

中图分类号：

学科分类号：

摘要：

An analytical solution is found for the problem of the growth of an isolated dendrite in a convective binary melt with allowance for the Soret and temperature-dependent diffusion effects. Nonlinear impurity transport is shown to radically change the impurity concentration in front of the growing crystal and, correspondingly, the concentration supercooling, which is responsible for the condition of choosing the dendrite tip growth rate. © 2013 Pleiades Publishing, Ltd.

引用

页码：123 / 129

页数：6

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