Self-similar etching

被引:4
|
作者
Bico, J
Vierling, K
Vigano, A
Quéré, D [1 ]
机构
[1] Coll France, CNRS, UMR 7125, F-75231 Paris 05, France
[2] Ecole Super Phys & Chim Ind Ville Paris, Phys & Mecan Milieux Heterogenes Lab, CNRS, UMR 7636, F-75231 Paris, France
关键词
fibers; etching; wetting; tip;
D O I
10.1016/j.jcis.2003.09.018
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
When a fiber is brought into contact with a soft etching liquid, a conical tip is generally shaped. We show here that the use of corrosive liquids which release gases during the etching reaction may lead to original self-similar shapes, because of successive pinning and detachment of the meniscus. The conditions for the formation of this shape and its evolution are described. In particular, we stress the effect of convection due to released bubbles. (C) 2003 Elsevier Inc. All rights reserved.
引用
收藏
页码:247 / 249
页数:3
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