Wetting transition of water on graphite and other surfaces

2004/04/14 by Silvina M. Gatica, S. M. Gatica, J. K. Johnson +8 · 1 citation
Engineering · Physics and Astronomy · #Experimental and Theoretical Physics Studies #FOS: Physical sciences #Heat Transfer and Optimization #Materials Science (cond-mat.mtrl-sci) #Scientific Research and Discoveries #cond-mat.mtrl-sci

paper · pdf · doi:10.48550/arxiv.cond-mat/0404346

14 pages, 2 figures

arxiv created 2004/04/14 · openalex publication_date 2004/04/14 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

A wetting transition occurs when the contact angle of a liquid drop on a surface changes from a nonzero value to zero. Such a transition has never been observed for water on any solid surface. This paper discusses the value of the temperature T_w at which the transition should occur for water on graphite. A simple model, previously used for nonpolar fluids, predicts the value of T_w as a function of the well-depth D of the adsorption potential. While D is not well known for the case of water/graphite, the model implies that T_w is likely to fall in the range 350 to 500 K. Experimental search for this transition is warranted. Water wetting transition temperatures on other surfaces are also discussed.

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