Melting of alloys along the inter-phase boundaries in eutectic and peritectic systems

被引：11

作者：

Brener, Efim A. ^{[1
]}

Temkin, D. E. ^{[1
]}

机构：

[1] Forschungszentrum, Inst Festkorperforsch, D-53425 Julich, Germany

来源：

ACTA MATERIALIA | 2007年 / 55卷 / 08期

关键词：

melting of alloys; dendritic growth; diffusion; kinetics self-organization and patterning;

D O I：

10.1016/j.actamat.2006.12.016

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We discuss a simple model of the melting kinetics along the solid-solid interface in eutectic and peritectic systems. The process is controlled by the diffusion inside the liquid phase and the existence of a triple junction is crucial for the velocity selection problem. Using the lubrication approximation for the diffusion field in the liquid phase, we obtain scaling results for the steady-state velocity of the moving pattern depending on the overheating above the equilibrium temperature and on the material parameters of the system, including the dependences on the angles at the triple junction. (C) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：2785 / 2789

页数：5

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