An analytical model for solute diffusion in multicomponent alloy solidification

S. L. Sobolev; L. V. Poluyanov; Feng Liu

doi:10.1016/j.jcrysgro.2014.03.009

An analytical model for solute diffusion in multicomponent alloy solidification

S. L. Sobolev
, L. V. Poluyanov
, Feng Liu

Institute of Problems of Chemical Physics of Russian Academy of Sciences
Northwestern Polytechnical University Xian

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

An analytical model describing steady-state plane front solidification of multicomponent alloys has been developed, taking into account both the diffusive interaction between the solutes and the local nonequilibrium diffusion effects in the bulk liquid. These effects strongly affect the solute distributions in the liquid phase ahead of the interface. At relatively low interface velocity the strong diffusional interaction between the species leads to a minimum or a maximum of solute concentration ahead of the interface. In ternary systems the model predicts two-step transition to diffusionless solidification.

Original language	English
Pages (from-to)	46-54
Number of pages	9
Journal	Journal of Crystal Growth
Volume	395
DOIs	https://doi.org/10.1016/j.jcrysgro.2014.03.009
State	Published - 1 Jun 2014
Externally published	Yes

Keywords

A1. Difusion
A1. Segregation
A1. Solidification
B1. Alloys

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10.1016/j.jcrysgro.2014.03.009

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title = "An analytical model for solute diffusion in multicomponent alloy solidification",

abstract = "An analytical model describing steady-state plane front solidification of multicomponent alloys has been developed, taking into account both the diffusive interaction between the solutes and the local nonequilibrium diffusion effects in the bulk liquid. These effects strongly affect the solute distributions in the liquid phase ahead of the interface. At relatively low interface velocity the strong diffusional interaction between the species leads to a minimum or a maximum of solute concentration ahead of the interface. In ternary systems the model predicts two-step transition to diffusionless solidification.",

keywords = "A1. Difusion, A1. Segregation, A1. Solidification, B1. Alloys",

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T1 - An analytical model for solute diffusion in multicomponent alloy solidification

AU - Sobolev, S. L.

AU - Poluyanov, L. V.

AU - Liu, Feng

PY - 2014/6/1

Y1 - 2014/6/1

N2 - An analytical model describing steady-state plane front solidification of multicomponent alloys has been developed, taking into account both the diffusive interaction between the solutes and the local nonequilibrium diffusion effects in the bulk liquid. These effects strongly affect the solute distributions in the liquid phase ahead of the interface. At relatively low interface velocity the strong diffusional interaction between the species leads to a minimum or a maximum of solute concentration ahead of the interface. In ternary systems the model predicts two-step transition to diffusionless solidification.

AB - An analytical model describing steady-state plane front solidification of multicomponent alloys has been developed, taking into account both the diffusive interaction between the solutes and the local nonequilibrium diffusion effects in the bulk liquid. These effects strongly affect the solute distributions in the liquid phase ahead of the interface. At relatively low interface velocity the strong diffusional interaction between the species leads to a minimum or a maximum of solute concentration ahead of the interface. In ternary systems the model predicts two-step transition to diffusionless solidification.

KW - A1. Difusion

KW - A1. Segregation

KW - A1. Solidification

KW - B1. Alloys

UR - https://www.scopus.com/pages/publications/84897399495

U2 - 10.1016/j.jcrysgro.2014.03.009

DO - 10.1016/j.jcrysgro.2014.03.009

M3 - 文章

AN - SCOPUS:84897399495

SN - 0022-0248

VL - 395

SP - 46

EP - 54

JO - Journal of Crystal Growth

JF - Journal of Crystal Growth

ER -

An analytical model for solute diffusion in multicomponent alloy solidification

Abstract

Keywords

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