Experimental evidence for liquid/solid interface instability caused by the stress in the solid during directional solidification under a strong magnetic field

被引：18

作者：

Li, Xi ^{[1
,2
]}

Zhang, Yudong ^{[3
]}

Fautrelle, Yves ^{[2
]}

Ren, Zhongming ^{[1
]}

Esling, Claude ^{[3
]}

机构：

[1] Shanghai Univ, Dept Mat Sci & Engn, Shanghai 200072, Peoples R China

[2] ENSHMG, SIMAP EPM Madylam, F-38402 St Martin Dheres, France

[3] Univ Metz, CNRS UMR 7078, LETAM, F-57045 Metz, France

来源：

SCRIPTA MATERIALIA | 2009年 / 60卷 / 07期

关键词：

Liquid/solid interface instability; Stress in solid; Strong magnetic field; STABILITY;

D O I：

10.1016/j.scriptamat.2008.11.038

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The stress in the solid near the liquid/solid interface and its effect on the interface instability in directionally solidified Al-0.85 wt.% Cu alloy and pure Al under a strong (10 T) magnetic field has been investigated experimentally. Observing the liquid/solid interface shape and studying the electron backscatter diffraction of the interface substructure yields experimental evidence for the formation of the stress in the solid near the liquid/solid interface and the liquid/solid interface instability caused by the stress under a strong magnetic field. (C) 2008 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：489 / 492

页数：4

共 13 条

[1] INTERFACE MORPHOLOGY DEVELOPMENT DURING STRESS-CORROSION CRACKING .1. VIA SURFACE DIFFUSION [J].

ASARO, RJ ;

TILLER, WA .

METALLURGICAL TRANSACTIONS, 1972, 3 (07) :1789-&

[2] Directional solidification into static stability [J].

Brattkus, K .

JOURNAL OF FLUID MECHANICS, 1995, 304 :143-159

[3] Flow-induced changes of the morphological stability in directional solidification: localized morphologies [J].

Buhler, L ;

Davis, SH .

JOURNAL OF CRYSTAL GROWTH, 1998, 186 (04) :629-647

[4]

Cröll A, 1999, PROG CRYST GROWTH CH, V38, P133, DOI 10.1016/S0960-8974(99)00006-6

[5] Floating-zone growth of silicon in magnetic fields - I. Weak static axial fields [J].

Dold, P ;

Croll, A ;

Benz, KW .

JOURNAL OF CRYSTAL GROWTH, 1998, 183 (04) :545-553

[6] A BOUNDARY PERTURBATION ANALYSIS FOR ELASTIC INCLUSIONS AND INTERFACES [J].

GAO, HJ .

INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES, 1991, 28 (06) :703-725

[7]

GRINFELD MA, 1986, DOKL AKAD NAUK SSSR+, V290, P1358

[8] ANISOTROPIC EFFECT OF MAGNETOHYDRODYNAMICS ON METAL SOLIDIFICATION [J].

KISHIDA, Y ;

TAKEDA, K ;

MIYOSHINO, I ;

TAKEUCHI, E .

ISIJ INTERNATIONAL, 1990, 30 (01) :34-40

[9] Morphological instability of cell and dendrite during directional solidification under a high magnetic field [J].

Li, Xi ;

Fautrelle, Yves ;

Ren, Zhongming .

ACTA MATERIALIA, 2008, 56 (13) :3146-3161

[10] Effect of a high axial magnetic field on the microstructure in a directionally solidified Al-Al2Cu eutectic alloy [J].

Li, Xi ;

Ren, Zhongming ;

Fautrelle, Yves .

ACTA MATERIALIA, 2006, 54 (20) :5349-5360

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