Volume 76, Number 3, November 2006
|Page(s)||464 - 470|
|Section||Condensed matter: structural, mechanical and thermal properties|
|Published online||07 October 2006|
Nucleation scenarios for wetting transition on textured surfaces: The effect of contact angle hysteresis
Department of Physics, Graduate School of Humanities and Sciences Ochanomizu University - 2-1-1, Otsuka, Bunkyo-ku, Tokyo 112-8610, Japan
Corresponding author: email@example.com
Accepted: 11 September 2006
The wettability of textured surfaces is strongly dependent on the contact state of a small drop deposited on them. We consider transitions via nucleation between two representative contact states of Cassie and Wenzel when there exists hysteresis in the contact angle. We find that the effect of the hysteresis is significant: a drop can be trapped by various states which are neither Cassie nor Wenzel states in the conventional sense.
PACS: 68.08.Bc – Wetting / 05.70.Np – Interface and surface thermodynamics / 81.65.-b – Surface treatments
© EDP Sciences, 2006
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