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Topographical anisotropy and wetting of ground stainless steel surfaces

 
: Calvimontes, Alfredo; Mauermann, Marc; Bellmann, Cornelia

:

Materials 5 (2012), No.12, pp.2773-2787
ISSN: 1996-1944
English
Journal Article
Fraunhofer IVV ()

Abstract
Microscopic and physico-chemical methods were used for a comprehensive surface characterization of different mechanically modified stainless steel surfaces. The surfaces were analyzed using high-resolution confocal microscopy, resulting in detailed information about the topographic properties. In addition, static water contact angle measurements were carried out to characterize the surface heterogeneity of the samples. The effect of morphological anisotropy on water contact angle anisotropy was investigated. The correlation between topography and wetting was studied by means of a model of wetting proposed in the present work, that allows quantifying the air volume of the interface water drop-stainless steel surface.

: http://publica.fraunhofer.de/documents/N-227872.html