| Issue |
Europhys. Lett.
Volume 74, Number 2, April 2006
|
|
|---|---|---|
| Page(s) | 306 - 312 | |
| Section | Condensed matter: structural, mechanical and thermal properties | |
| DOI | https://doi.org/10.1209/epl/i2005-10523-2 | |
| Published online | 22 March 2006 | |
Bouncing transitions on microtextured materials
1
Laboratoire de Physique de la Matière Condensée, FRE 2844 du CNRS Collège de France - 75231 Paris Cedex 05, France
2
Laboratoire de Photonique et Nanostructures (LPN) - Route de Nozay 91460 Marcoussis, France
3
Groupe ESIEE, SMM, Cité Descartes - BP 99, 93162 Noisy le Grand, France
4
Ecole Normale Supérieure - 24 rue Lhomond, 75231 Paris Cedex 05, France
Received:
18
November
2005
Accepted:
14
February
2006
A drop of water thrown on a super-hydrophobic solid will often bounce off. Here we discuss the conditions to be fulfilled on the surface design (which provides super-hydrophobicity) to observe such a behavior. This allows us to precise how a material can be made water-repellent. We show in particular how the reduction of the scale of the microstructure provides a robust water repellency, and describe some peculiarities of violent shocks on such surfaces.
PACS: 68.08.Bc – Wetting / 68.03.-g – Gas-liquid and vacuum-liquid interfaces / 68.08.-p – Liquid-solid interfaces
© EDP Sciences, 2006
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