An experimental method for the in situ observation of eutectic growth patterns in bulk samples of transparent alloys

被引：30

作者：

Bottin-Rousseau, Sabine

perrut, Mikaeel

Picard, Christian

Akamatsu, Silvere

Faivre, Gabriel

机构：

[1] Univ Paris 06, CNRS, UMR 7588, Inst Nanosci Paris, F-75015 Paris, France

[2] Univ Denis Diderot Paris 7, F-75015 Paris, France

来源：

JOURNAL OF CRYSTAL GROWTH | 2007年 / 306卷 / 02期

关键词：

eutectics; optical microscope; solidification; bridgman technique; growth from melt; transparent alloys;

D O I：

10.1016/j.jcrysgro.2007.05.035

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

We present an experimental method for the in situ observation of directional-solidification fronts in bulk samples of transparent eutectic alloys. The growth front is observed obliquely in dark field through the liquid and a glass wall of the container with a longdistance microscope. We show that a focused image of the whole growth front can be obtained at a certain tilt angle of the microscope. At this tilt angle, eutectic fibers of about 3.5 mu m in diameter can be clearly seen over the whole growth front in 400 Pin thick samples. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：465 / 472

页数：8

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