In situ observation and interferometric characterization of solid-liquid interface morphology in directionally growing transparent model systems.

Jamgotchian H; Bergeon N; Benielli D; Voge P; Billia B

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In situ observation and interferometric characterization of solid-liquid interface morphology in directionally growing transparent model systems.

机译：定向生长的透明模型系统中固液界面形态的原位观察和干涉表征。

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The performance of a new directional solidification device dedicated to the characterization of solid-liquid interface morphology by means of optical methods is presented in this paper. In contradiction to usual solidification studies on transparent materials carried out on thin films, which eliminates the complex coupling between solidification and convection, this device enables in situ and real time studies on bulk transparent materials. The alloy is contained in a cylindrical crucible and observation is performed in two perpendicular directions: the growth one and the transverse one. In addition to direct observation by light transmission in those directions, an interferometer is also set up in the growth direction to provide information on the shape and the motion of the interface through an analysis of the interferometer fringes. The combined determination of solidification front characteristics by these three observation modes has already given critical information on interface dynamics: front recoil measurements during initial transient, formation of microstructure patterns, and influence of convection on the triggering of instabilities.

机译：本文介绍了一种新型定向凝固装置的性能，该装置专门用于通过光学方法表征固液界面形态。与通常在薄膜上进行的透明材料的固化研究相反，这种研究消除了固化和对流之间的复杂耦合，该设备可以对大块透明材料进行原位和实时研究。合金被装在圆柱形坩埚中，并在两个垂直方向上进行观察：生长方向和横向方向。除了通过在那些方向上的光透射进行直接观察之外，还在生长方向上设置了干涉仪，以通过对干涉仪条纹的分析来提供关于界面的形状和运动的信息。这三种观察模式对凝固前沿特性的综合确定已经提供了有关界面动力学的关键信息：初始瞬态过程中的前反冲测量，微观结构图案的形成以及对流对不稳定性触发的影响。

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《Journal of Microscopy》 |2001年第1期|共9页
作者
Jamgotchian H; Bergeon N; Benielli D; Voge P; Billia B;
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正文语种 eng
中图分类显微镜;
关键词
In situ; Observation in research; Solid; Liquid substance; Morphology; Clear;

机译：原位;研究观察;固体;液体物质;形态学;清除;

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专利

1. In situ observation and interferometric characterization of solid-liquid interface morphology in directionally growing transparent model systems. [J] . Jamgotchian H, Bergeon N, Benielli D, Journal of Microscopy . 2001,第Pta1期

机译：定向生长的透明模型系统中固液界面形态的原位观察和干涉表征。
2. Arrangement of the disorder of the cellular array of the solid-liquid interface of a transparent alloy directionally solidified when convection is present [J] . N.Noel, H.Jamgotchian, B.Billia Entropie . 1998,第215期

机译：存在对流时定向凝固的透明合金固液界面细胞阵列的无序排列
3. Solid-liquid interface morphology of white carbide eutectic during directional solidification [J] . M. Trepczyńska-?ent Archives of Metallurgy and Materials . 2017,第1期

机译：碳化物共晶定向凝固过程中的固液界面形态
4. Dynamical microstructure formation in 3D directional solidification of transparent model alloys: in situ characterization in DECLIC Directional Solidification Insert under diffusion transport in microgravity [C] . N Bergeon, F L Mota, L Chen International Conference on Modelling of Casting, Welding and Advanced Solidification Processes . 2015

机译：透明模型合金三维方向凝固中的动态微结构形成：在微匍匐中扩散输送下衰减定向凝固嵌段的原位特征
5. Phase-field modeling and experimental observation of the irregular interface morphology during directional solidification. [D] . Guo, Taiming. 2004

机译：定向凝固过程中不规则界面形态的相场建模和实验观察。
6. Directional Alignment of Polyfluorene Copolymers at Patterned Solid-Liquid Interfaces [O] . Xiaolu Pan, Hongwei Li, Xinping Zhang 2017

机译：聚芴共聚物在图案化固液界面处的定向排列
7. Solid-liquid interface morphology of white carbide eutectic during directional solidification [O] . Trepczyńska-Łent M. 2017

机译：定向凝固过程中白碳化物共晶的固液界面形态

In situ observation and interferometric characterization of solid-liquid interface morphology in directionally growing transparent model systems.

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