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Langmuir. 2007 Jun 5;23(12):6501-3. Epub 2007 May 11.

Cassie-Wenzel wetting transition in vibrating drops deposited on rough surfaces: is the dynamic Cassie-Wenzel wetting transition a 2D or 1D affair?

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1
The College of Judea and Samaria, the Research Institute, 44837 Ariel, Israel. edward@ yosh.ac.il

Abstract

The transition between the Cassie and Wenzel wetting regimes has been observed under vertical vibration of a water drop placed on a rough micrometrically scaled polymer pattern. The transition takes place under the constant force per unit length of the triple contact line, not under constant pressure. A study of the vibrating drop deposited on the rough surface supplied valuable information concerning the Cassie-Wenzel wetting transition.

PMID:
17497815
DOI:
10.1021/la700935x
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